Oklahoma Construction Industries Board • PSI • 50 Questions • 120 Minutes • 75% Published Passing Standard • Open Book • NASCLA Basic 14th Edition
Ready to prepare for the Oklahoma Plumbing Business and Law Contractor exam? This guide explains the current PSI examination, official subject breakdown, approved books, plumbing contractor licensing requirements, insurance, bonding, business responsibilities, and related preparation products from Contractor Exam Preps.
Plumbing contractors need more than excellent pipe-fitting skills.
They need to understand how to run projects, price jobs, manage employees, write contracts, handle payments, maintain insurance, and follow Oklahoma licensing law.
Knowing how to repair a water line is important.
Knowing how to prepare an accurate estimate and protect the business from expensive legal mistakes is important too.
Nobody wants a plumbing business that leaks money faster than a broken supply line!
The Oklahoma Plumbing Business and Law examination focuses on the business and legal responsibilities of a licensed plumbing contractor.
It is different from the plumbing trade examination.
Technical trade testing covers plumbing systems, installation requirements, fixtures, drainage, venting, water supply, and fuel gas systems.
Business and Law tests how a contractor manages a professional business.
Oklahoma Plumbing Business and Law is a licensing examination administered by PSI for the Oklahoma Construction Industries Board, also known as CIB.
It is required as part of the plumbing contractor licensing process.
The exam focuses on laws, business operations, financial management, insurance, bonding, contracts, and contractor responsibilities.
It does not replace the separate plumbing trade examination.
Contractor candidates must satisfy all required testing and licensing conditions before receiving an active contractor license.
The Oklahoma Construction Industries Board regulates plumbing licensing in Oklahoma.
CIB reviews licensing qualifications and determines whether candidates are eligible for testing.
Once applicants receive examination approval, they schedule the exam through PSI.
CIB also oversees plumbing license renewal, continuing education, contractor bond requirements, insurance, and compliance with applicable plumbing laws.
Official requirements are available on the Oklahoma CIB Plumbing page.
The current PSI Candidate Information Bulletin, effective September 11, 2026, lists 50 scored questions.
Candidates have 120 minutes, or two hours.
The examination is computer-based.
Its format is open book.
PSI lists a 75% passing standard for Plumbing Business and Law.
There is one important issue in the published table.
The bulletin also prints a raw passing score of 37.
Since 75% of 50 questions equals 37.5, the printed percentage and raw score do not agree mathematically.
Candidates should confirm the operative scoring rule directly with PSI and prepare to earn at least 38 correct answers, preferably more.
The examination allows 120 minutes.
With 50 questions, that averages about two minutes and twenty-four seconds per question.
Some questions may be easy to answer from memory.
Others may require a reference lookup.
The key is to know where the information is located before the clock starts.
Open-book testing helps prepared candidates.
It does not provide unlimited time to read seven books from cover to cover.
Yes. The exam is open book.
PSI publishes a list of approved reference materials.
Candidates bring their own approved books and properly prepared state references.
Materials may be highlighted, underlined, and indexed before the exam.
Permanent tabs are allowed.
Temporary tabs, handwritten notes, and additional loose papers are prohibited.
Writing in books during the examination is also prohibited.
Preparation should include practicing with the exact books and state materials that are permitted for testing.
The official Plumbing Business and Law examination includes eight subject categories.
These categories total 50 questions.
Bidding and Estimating is the largest category, followed by Financial topics.
Together, those two subjects account for eighteen questions.
This category contains ten questions.
Contractors must understand how to estimate materials, labor, equipment, overhead, and project expenses.
Study different bidding procedures and how a contractor prepares a proposal.
Learn the difference between direct costs and indirect costs.
Understand labor burden, markup, overhead, profit, and contingency.
Review how inaccurate estimates can lead to financial problems.
For example, forgetting a permit cost may seem like a small mistake, but repeated mistakes can damage profitability.
A good estimate helps both the contractor and the customer understand the expected project costs.
Project Management and Supervision contains seven questions.
Study project oversight, budgets, quality control, materials management, safety, scheduling, environmental protection, and reporting.
Understand how the general contractor or plumbing contractor monitors project progress.
Review the importance of checking material deliveries and documenting changes.
Learn how to keep jobs organized when several employees or subcontractors are involved.
Study lien-related project administration and business ethics.
Good project management helps avoid delays, disputes, and costly callbacks.
Contracts contains five questions.
Study contract terminology, required elements, types of agreements, warranties, standardized documents, and change orders.
Understand why the agreed scope of work should be clear.
Review written authorization for changes.
Learn the difference between a fixed-price agreement and other common construction contract arrangements.
Practice recognizing responsibilities for payment, project performance, and completion.
A strong contract helps prevent disagreements before they become expensive.
Financial topics account for eight questions.
Review business organization, business startup, accounting methods, cash flow, accounts payable, and accounts receivable.
Understand balance sheets and income statements.
Learn how financing affects a contracting business.
Review business banking and financial ratios.
Understand the difference between revenue and profit.
Money entering the business is not necessarily money the owner gets to keep.
Materials, labor, taxes, insurance, equipment, and overhead all need attention.
Labor and Personnel contains five questions.
Study hiring, employment records, labor standards, workers' compensation, OSHA obligations, and applicable employment requirements.
Review responsibilities related to new employees.
Understand why contractors must keep appropriate personnel documentation.
Learn how employee safety and legal compliance connect to business operations.
Plumbing contractors who employ apprentices must also understand Oklahoma's apprentice requirements.
Risk Management includes four questions.
Study insurance, bonds, claims, and liability.
Understand why contractors need appropriate insurance coverage.
Review how a contractor surety bond differs from general liability insurance.
Insurance can help address certain covered losses.
A bond provides a separate form of protection related to specific contractor obligations.
Both have an important place in responsible contracting.
Payroll and Payroll Taxes contains five questions.
Review employee wages, payroll records, payroll deductions, tax obligations, required forms, and filing deadlines.
Understand the importance of accurate worker classification.
Learn why payroll records must be maintained carefully.
Payroll mistakes can affect employees and create problems with tax or labor authorities.
Licensing Requirements includes six questions.
Study the Oklahoma Plumbing License Law, Plumbing Industry Regulations, CIB rules, fees, penalties, renewal obligations, insurance, and bonding.
Understand the differences between an apprentice, journeyman, and contractor.
Review the consequences of working with an inactive contractor license.
Know where to find licensing provisions in the official Oklahoma reference materials.
The official CIB Plumbing Contractor page states that contractor applicants generally must meet journeyman qualifications plus one additional year of plumbing experience.
The standard journeyman path requires three years of qualifying plumbing work under a licensed plumbing contractor.
That makes the usual contractor pathway four years of qualifying experience.
Applicants must generally be at least 18 years old.
Approved plumbing education may substitute for part of the experience requirement.
For example, qualifying approved educational programs with 500 or 1,000 classroom hours may provide specified experience credit.
Applicants should confirm the exact documentation required by CIB before submitting their applications.
After passing the required examinations, a contractor license may remain inactive until the required bond and insurance information is accepted.
CIB currently requires a $5,000 corporate surety bond for an active plumbing contractor, unless an accepted alternative applies.
The bond is generally issued in the individual license holder's name.
It must remain valid as required by CIB.
Do not confuse the bond's face amount with the premium paid to the bond company.
CIB also requires proof of at least $50,000 commercial general liability insurance for an active plumbing contractor.
The Construction Industries Board must be named as the certificate holder.
Contractors must keep insurance current.
Allowing required coverage to lapse can result in inactive license status.
The official Active Contractor Requirements page explains these conditions.
Oklahoma requires plumbing contractors and journeymen to complete six hours of approved continuing education within the preceding 36 months of license expiration.
Contractors must also complete applicable renewal requirements.
Continuing education supports current knowledge of plumbing practices and regulations.
It is separate from the Business and Law licensing exam.
Active Oklahoma plumbing contractors must follow apprentice registration and supervision requirements.
Under CIB's general active contractor rules, plumbing apprentices may work at a ratio of three apprentices to one contractor.
Contractors must also display the business name and license number on applicable vehicles.
Required license information must appear on relevant advertising, contracts, and bids.
These rules are important because the business is responsible for more than technical plumbing work.
The exam reference list includes seven primary Oklahoma and NASCLA sources.
The Oklahoma CIB Courtesy Exam Study Aids Book is available from the Board without charge.
Contractor Exam Preps also sells prepared reference packages and the NASCLA business book.
The NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition is a major approved examination reference.
It covers business startup, business organization, estimating, bidding, scheduling, contracts, project management, personnel, insurance, risk, finance, taxes, and liens.
This book helps contractors understand the administrative side of the construction business.
The NASCLA Basic 14th Edition Tabs Bundle is another store option.
Permanent tabs can improve navigation during an open-book exam when they comply with PSI rules.
Contractor Exam Preps offers a Complete Pass Package for this exact examination.
It includes a highlighted and tabbed NASCLA Basic business guide.
It also includes prepared Oklahoma plumbing laws and regulations, CIB fine schedule materials, workers' compensation references, lien law, flash cards, and an online Business and Law course.
The package helps candidates learn the topics while practicing reference navigation.
Its product description currently contains an older 70% passing statement.
Use the current September 2026 official PSI bulletin's 75% passing standard for exam preparation.
The Oklahoma Plumbing Business and Law Contractor Exam Book Package offers another way to organize required reference materials.
This option is useful for candidates who primarily need books rather than an all-inclusive course.
Check the product listing to confirm its current contents and whether highlighting or tabbing is included.
The Oklahoma Plumbing Business and Law Online Exam Prep Course gives students an organized way to study.
It addresses the main business subjects tested by PSI.
The course is a good option for candidates who want lessons in addition to book reading.
Students should confirm course access options and current availability.
Contractor Exam Preps also offers Oklahoma Plumbing Business and Law Contractor Exam Online Practice Questions.
Practice questions can help identify weaknesses in estimating, contracts, finance, liens, payroll, and licensing.
They are especially useful when combined with timed practice and regular reference lookups.
Practice questions are a study tool, not an official PSI question bank.
Start with the current PSI bulletin.
Review the eight subject categories and their question counts.
Spend extra time on Bidding and Estimating and Financial topics.
Study the NASCLA Basic 14th Edition and Oklahoma-specific law references.
Practice finding information on bonds, insurance, licensing, liens, and workers' compensation.
Review contracts and project management.
Study payroll, labor law, and employment records.
Complete timed practice questions.
Prepare to finish 50 questions within 120 minutes.
The best study plan combines understanding the rules, knowing the references, and answering questions efficiently.
Important October 2026 Oklahoma Plumbing Business and Law Update: The PSI Candidate Information Bulletin effective September 11, 2026 lists 50 scored questions, 120 minutes, open-book testing, and a 75% passing standard for Plumbing Business and Law. It also prints a raw passing number of 37, even though 75% of 50 equals 37.5. Confirm the operative passing score with PSI; preparing for at least 38 correct answers or higher is prudent. Some Contractor Exam Preps product descriptions still display 70%, which differs from the current official bulletin. The official examination fee is $92 per portion. This exam is separate from the Plumbing Contractor and Natural Gas trade exam. Oklahoma's 2024 plumbing code transition affects applicable trade examinations, but it does not change the Business and Law reference list to an IPC-based examination.
Oklahoma Plumbing Business and Law is a required examination area for plumbing contractor candidates.
It tests whether applicants understand the responsibilities involved in operating a plumbing business.
These responsibilities include estimating, contracts, managing projects, financial management, employment, taxes, insurance, bonds, and state licensing rules.
The examination is administered by PSI after the Oklahoma Construction Industries Board determines candidate eligibility.
Passing Business and Law alone does not authorize someone to operate a plumbing contracting business.
Applicants must also pass the applicable trade examination and satisfy CIB licensing requirements.
Exam: Plumbing Business and Law.
Licensing authority: Oklahoma Construction Industries Board.
Exam provider: PSI.
Questions: 50.
Time: 120 minutes.
Format: Open book.
Approved business book: NASCLA Basic 14th Edition.
| Requirement | Oklahoma Information | Preparation |
|---|---|---|
| State | Oklahoma | Follow CIB requirements. |
| Licensing Board | Construction Industries Board | Submit correct application. |
| Trade | Plumbing | Choose correct license category. |
| Contractor Level | Plumbing Contractor | Meet journeyman and contractor requirements. |
| Business Examination | Plumbing Business and Law | Separate from trade exam. |
| Exam Provider | PSI | Schedule after CIB approval. |
| Official Bulletin | Effective September 11, 2026 | Review current PSI information. |
| Questions | 50 | Practice eight categories. |
| Time Limit | 120 Minutes | Complete timed practice. |
| Published Passing Percentage | 75% | Aim above the minimum. |
| Printed Raw Passing Number | 37 | Verify discrepancy with PSI. |
| Mathematical 75% Threshold | 37.5 of 50 | Prepare for at least 38 correct answers. |
| Exam Format | Open Book | Bring approved references. |
| Exam Fee | $92 Per Examination Portion | Pay PSI when scheduling. |
| First Retest Wait | 30 Days | Retest when eligible. |
| Additional Failure Wait | 90 Days for Non-Electrical Exams | Review current PSI rules. |
| Exam Eligibility | No Expiration Listed by PSI | Follow current Board approval. |
| Candidate Age | At Least 18 | Meet contractor eligibility. |
| Journeyman Experience | Three Years Standard Path | Document qualifying plumbing work. |
| Additional Contractor Experience | One Year | Verify four-year standard path. |
| Education Alternatives | Approved 500 or 1,000 Classroom Hour Programs | Verify experience substitution. |
| Trade Examination | Separate Plumbing Contractor and Natural Gas | Prepare for technical subjects independently. |
| Bidding and Estimating | 10 Questions | Practice estimating and bid preparation. |
| Project Management | 7 Questions | Study oversight and scheduling. |
| Contracts | 5 Questions | Review terms and change orders. |
| Financial | 8 Questions | Learn accounting and cash flow. |
| Labor and Personnel | 5 Questions | Study employment obligations. |
| Risk Management | 4 Questions | Study insurance and bonds. |
| Payroll and Taxes | 5 Questions | Review tax and payroll records. |
| Licensing Requirements | 6 Questions | Study Oklahoma-specific regulations. |
| NASCLA Business Book | Basic 14th Edition | Approved reference. |
| Plumbing License Law | Title 59, Chapter 27 | Approved reference. |
| Plumbing Regulations | Title 158, Chapter 30 | Approved reference. |
| CIB Fine Schedule | Title 158, Chapter 10 | Approved reference. |
| Lien Law | Title 42, Chapter 3 | Approved reference. |
| Workers Compensation | Title 85A, Chapter 1 | Approved reference or excerpts. |
| Courtesy Study Aids | Current CIB Edition | Obtain from Board. |
| Contractor Bond | $5,000 | Required for active status unless valid alternative applies. |
| Liability Insurance | $50,000 Minimum | Provide certificate to CIB. |
| Continuing Education | 6 Hours in 36 Months | Use CIB-approved courses. |
| Apprentice Ratio | 3 Apprentices Per Contractor | Follow supervision rules. |
| Company Vehicle Markings | Required | Display company and license details. |
| Detail | Category | Information |
|---|---|---|
| State | Licensing | Oklahoma |
| Board | Licensing | Oklahoma Construction Industries Board |
| Examination | Testing | Plumbing Business and Law |
| Test Provider | Testing | PSI |
| Bulletin | Testing | September 11, 2026 |
| Exam Format | Testing | Computer-Based, Open Book |
| Scored Questions | Testing | 50 |
| Minutes | Testing | 120 |
| Passing Percentage | Testing | 75% Published |
| Printed Raw Score | Testing | 37, Inconsistent with Percentage |
| Suggested Practice Target | Study | 38 Correct or Higher |
| Official Topics | Blueprint | 8 |
| Bidding and Estimating | Blueprint | 10 Questions |
| Project Management and Supervision | Blueprint | 7 Questions |
| Contracts | Blueprint | 5 Questions |
| Financial | Blueprint | 8 Questions |
| Labor and Personnel | Blueprint | 5 Questions |
| Risk Management | Blueprint | 4 Questions |
| Payroll and Payroll Taxes | Blueprint | 5 Questions |
| Licensing Requirements | Blueprint | 6 Questions |
| NASCLA Reference | Books | Basic 14th Edition |
| State Plumbing Law | Books | Title 59, Chapter 27 |
| State Plumbing Rules | Books | Title 158, Chapter 30 |
| CIB Fines | Books | Title 158, Chapter 10 |
| State Lien Law | Books | Title 42, Chapter 3 |
| Workers Compensation | Books | Title 85A, Chapter 1 |
| CIB Courtesy Study Aids | Books | Current Edition |
| Permanent Tabs | Exam Room | Allowed |
| Temporary Tabs | Exam Room | Not Allowed |
| Handwritten Notes | Exam Room | Not Allowed |
| Reference Marking During Test | Exam Room | Not Allowed |
| PSI Fee | Fees | $92 Per Portion |
| First Retest Wait | Testing | 30 Days |
| Later Retest Wait | Testing | 90 Days for Applicable Non-Electrical Exams |
Exam: Oklahoma Plumbing Business and Law.
Questions: 50.
Time: 120 minutes.
Format: Open book.
Passing: PSI publishes 75%, but its raw score entry needs clarification.
Study general estimating, bid procedures, labor calculations, material costs, equipment expenses, project costs, overhead, markup, and profit.
Review how bid documents explain the work being offered.
Understand the importance of accurate project quantities.
Study general project oversight, budgets, quality control, material control, safety, scheduling, hazardous materials, environmental protection, submittals, reporting, ethics, and lien-related project administration.
Understand how contractors manage workers and project progress.
Review contract terminology, required elements, contract types, change orders, standardized documents, warranties, interpretation, and contractor obligations.
Understand why written agreements matter for payment and scope changes.
Study business structures, startup requirements, accounting methods, cash flow, accounts payable, accounts receivable, balance sheets, income statements, financing, business bank accounts, and financial ratios.
Understand the difference between cash flow, revenue, and profit.
Review labor standards, employee records, workers' compensation, OSHA responsibilities, hiring requirements, accessibility obligations, and employment regulations.
Study commercial general liability insurance, surety bonds, risk reduction, claims, and contractor financial protections.
Learn the difference between a bond and insurance.
Study payroll taxes, required forms, filing deadlines, employee compensation, payroll withholding, and accurate recordkeeping.
Review required Oklahoma plumbing licensing documents, insurance, bonding, renewal, contractor responsibilities, CIB regulations, and licensing compliance.
Total: 50 scored questions.
Largest category: Bidding and Estimating, 10 questions.
Second largest: Financial, 8 questions.
Passing score: Follow the current PSI bulletin and verify the published raw-score discrepancy.
Begin by reading the official PSI exam outline.
Gather the NASCLA business book and approved Oklahoma state references.
Study each of the eight categories separately.
Focus on Bidding and Estimating, Financial, and Project Management first.
Review contracts, insurance, bonding, employment, payroll taxes, and licensing.
Practice finding answers in the state statutes and regulations.
Use permanent tabs where permitted.
Complete timed 50-question practice exams.
Review missed questions and return to the reference book for each answer.
The Oklahoma Plumbing Business and Law Online Course can help provide structure.
The Complete Pass Package combines books, Oklahoma law materials, flash cards, and online preparation.
First: Confirm the PSI exam format and passing requirement.
Second: Organize approved reference materials.
Third: Study all eight subjects.
Fourth: Practice efficient open-book lookups.
Fifth: Complete timed exams.
Plumbing Business and Law connects estimating, contracts, project management, finance, employee responsibilities, and licensing compliance.
Educational plumbing business workflow showing how the major Business and Law exam subjects connect.
Review Oklahoma's plumbing contractor categories and confirm the license matches the work you intend to perform.
Document the qualifying plumbing experience required for contractor status, including the additional contractor-level year.
Provide the required application, work documentation, education credit information if applicable, and required fees.
Wait for the Oklahoma Construction Industries Board to determine examination eligibility before scheduling PSI.
Study plumbing systems, water supply, drainage, venting, fixtures, natural gas, safety, and current code requirements for the applicable trade test.
Use NASCLA Basic 14th Edition and the approved Oklahoma laws, regulations, and reference materials.
Complete the applicable trade examination and the separate Plumbing Business and Law examination.
Submit required bond and insurance documentation, follow apprentice and business rules, renew the license, and complete continuing education.
These percentages are based on the official 50-question PSI Plumbing Business and Law examination outline.
Total: 50 questions, 100%.
Largest category: Bidding and Estimating, 20%.
Next largest: Financial, 16%.
Passing: 75% is published by PSI, with an inconsistent raw-score entry that should be confirmed.
| Reference | Publication | Exam Use |
|---|---|---|
| NASCLA Contractors Guide to Business, Law and Project Management | Basic 14th Edition | Approved general business and law reference. |
| Oklahoma Construction Industries Board Unofficial Administrative Rules and Courtesy Exam Study Aids Book | Current Edition | Approved state rules and study aids. Available from CIB. |
| Oklahoma Plumbing License Law of 1955 | Oklahoma Statutes Title 59, Chapter 27 | Approved plumbing licensing statute. |
| Oklahoma Plumbing Industry Regulations | Oklahoma Administrative Code Title 158, Chapter 30 | Approved plumbing regulatory reference. |
| Oklahoma Construction Industries Board Fine Schedule | Oklahoma Administrative Code Title 158, Chapter 10 | Approved penalties and fine schedule. |
| Oklahoma Lien Law | Oklahoma Statutes Title 42, Chapter 3 | Approved lien law reference. |
| Oklahoma Workers' Compensation Act | Oklahoma Statutes Title 85A, Chapter 1 | Approved statute or permitted excerpts. |
| Oklahoma Plumbing and Natural Gas Trade Codes | Separate Trade Exam References | Not substitutes for the approved Business and Law references. |
| NASCLA Basic 14th Edition Tabs Bundle | Contractor Exam Preps | Study and navigation option using the approved NASCLA edition. |
Approved references: Candidate-supplied copies of the permitted titles.
Highlighting: Permitted before the exam.
Permanent tabs: Permitted under PSI rules.
Not permitted: Handwritten notes, loose papers, temporary tabs, or writing in books during the exam.
The examination is open book, but speed matters.
Learn where business topics appear in the NASCLA reference.
Practice finding Oklahoma-specific laws in the correct documents.
Use the table of contents and index.
Place compliant permanent tabs on major chapters.
Complete repeated lookups under a timer.
Business and Law knowledge helps plumbing contractors operate responsibly.
Contractors prepare estimates, negotiate projects, order materials, manage workers, supervise jobs, and maintain records.
They must understand how contracts protect both the company and customer.
They need to manage business income, payroll, taxes, and expenses.
They must follow required insurance, bond, apprentice, and license renewal rules.
Oklahoma plumbing contractor responsibilities include keeping required license information visible in business activities.
The contractor license authorizes work within the applicable plumbing scope only when all legal conditions are met.
Passing the Business and Law exam does not independently create that authority.
Technical plumbing: Addressed in trade testing.
Business operations: Addressed in Business and Law testing.
State authority: Oklahoma Construction Industries Board.
Active license: Requires continuing compliance, bond, and insurance documentation.
| Exam or License | Purpose | Important Difference |
|---|---|---|
| Plumbing Business and Law | Contractor business responsibilities. | 50 questions, 120 minutes, open book. |
| Plumbing Contractor and Natural Gas | Technical plumbing and gas knowledge. | Separate trade exam with plumbing code requirements. |
| Plumbing Journeyman and Natural Gas | Journeyman technical qualification. | Separate journeyman licensing level. |
| Residential Plumbing and Natural Gas Contractor | Residential plumbing contractor qualification. | Scope and technical exam differ from broader contractor categories. |
| Natural Gas Contractor | Gas piping and related authorized work. | Separate trade-specific licensing category. |
| Plumbing Apprentice | Registered plumbing training. | Not an independent contractor license. |
| Active Plumbing Contractor | Licensed plumbing contracting. | Requires applicable trade, Business and Law, bond, insurance, and Board approval. |
| Continuing Education | Ongoing professional requirements. | Separate from original licensing examinations. |
50 Questions • 120 Minutes • Open Book
Technical Plumbing • Natural Gas • Codes
Experience • Exams • Bond • Insurance
The Business and Law examination can be challenging because it covers business subjects that may be unfamiliar to experienced plumbers.
Plumbing contractors may spend years working with pipes, fixtures, gas systems, and construction crews.
That experience is valuable.
But a licensing exam may ask about balance sheets, contract language, lien laws, payroll taxes, and business organization.
Those subjects require different preparation.
The examination has 50 questions and a 120-minute limit.
That allows an average of two minutes and twenty-four seconds per question.
Open-book testing helps, but it does not replace knowing the material.
The strongest strategy is learning the subjects and practicing fast reference navigation.
Focus especially on Bidding and Estimating, Financial, and Project Management, which together account for 25 questions.
Also prepare thoroughly for the state-specific licensing and insurance rules.
With consistent study, the examination becomes more predictable and manageable.
The following products are offered on ContractorExamPreps.com and relate directly to the Oklahoma Plumbing Business and Law examination.
They support study and reference navigation, but cannot guarantee exam passage or licensing approval.
Highlighted Books • Oklahoma Laws • Flash Cards • Online Course
Best for: Contractors who want books, Oklahoma laws, flash cards, and online study in one preparation package.
Important: Current store text may refer to a 70% passing standard. The September 2026 official PSI bulletin lists 75%, with a separate raw-score inconsistency to confirm.
View Oklahoma Plumbing Business and Law Complete Pass Package
Business References • Oklahoma Statutes • Licensing Rules
Best for: Candidates seeking physical study references who may not need a larger bundled course.
Check the current product listing for the exact included books, editions, and preparation services.
Self-Paced Learning • Business Topics • Exam Preparation
Best for: Candidates who prefer online instruction or already own the approved reference books.
Confirm current course options and whether additional live instruction is available.
Additional study: Oklahoma Plumbing Business and Law Contractor Practice Questions.
Separate approved book: NASCLA Basic 14th Edition.
Book and tabs: NASCLA Basic 14th Edition Tabs Bundle.
Exam information: Always follow the current official PSI bulletin.
Actual Oklahoma Plumbing Business and Law product image hosted on ContractorExamPreps.com.
This is the verified store image for the Complete Pass Package. It is related exam preparation artwork, not a state-issued plumbing contractor license or certificate.
Oklahoma CIB • PSI Examination • Plumbing Contractors • Business and Law • NASCLA Basic 14th Edition • Contractor Licensing
Explore the Oklahoma Plumbing Business and Law Complete Pass Package
Exam Basics
It is a PSI-administered examination covering the legal, financial, administrative, and business responsibilities of Oklahoma plumbing contractors.
PSI administers the examination after the Oklahoma Construction Industries Board determines candidate eligibility.
There are 50 scored questions.
The time limit is 120 minutes, or two hours.
The September 2026 PSI bulletin lists 75% but also prints a raw score of 37, which is inconsistent with 50 questions. Confirm the operative score with PSI and prepare to answer at least 38 correctly, preferably more.
Some product descriptions have older examination information. The current official PSI bulletin lists a 75% passing standard for Plumbing Business and Law.
Yes. Candidates may bring the approved references listed in the current PSI bulletin, subject to the exam-room restrictions.
Official Exam Subjects
Bidding and Estimating is the largest category, containing ten questions.
The Financial category contains eight questions.
Yes. Contracts contains five questions. Topics include terms, agreement types, change orders, warranties, and contractor obligations.
Yes. Payroll and Payroll Taxes contains five questions.
Yes. Project Management and Supervision contains seven questions and covers oversight, budgets, scheduling, materials, safety, and reporting.
Yes. Insurance and bonds appear in Risk Management and Licensing Requirements.
Yes. Lien law is part of the relevant contractor business topics and the Oklahoma Lien Law is an approved reference.
Books and Open-Book Rules
The approved business reference is NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition.
Yes. Approved books may be indexed with permanent tabs.
No. Temporary tabs such as Post-it notes are not allowed.
Yes. References may be highlighted and underlined before testing. Handwritten notes and writing during the exam are prohibited.
PSI prohibits additional loose papers with approved references. Downloaded materials must be prepared in one of the binding formats permitted by the current bulletin.
Yes. The Oklahoma CIB Unofficial Administrative Rules and Courtesy Exam Study Aids Book is listed as available at the Board office without charge.
Plumbing Contractor Licensing
The Oklahoma Construction Industries Board regulates and issues the applicable plumbing licenses.
The standard contractor pathway requires the three-year journeyman experience qualification plus one additional year of plumbing experience. Approved education substitutions may apply.
No. Plumbing contractor applicants must satisfy both the applicable trade examination and the separate Business and Law examination.
The current active contractor requirement is a $5,000 corporate surety bond, unless an accepted alternative applies.
CIB currently requires proof of at least $50,000 commercial general liability insurance for active plumbing contractors.
Plumbing contractors and journeymen generally need six hours of approved continuing education within the preceding 36 months of license expiration.
No. CIB states that performing contracting services without an active license and current required insurance violates its rules.
Scheduling and Exam Fees
The current PSI bulletin lists $92 for each examination portion.
The Oklahoma Construction Industries Board determines examination eligibility. Approved candidates then schedule through PSI.
The current PSI bulletin lists a 30-day wait after the first failure and a 90-day wait for subsequent failures on non-electrical examinations.
Contractor Exam Preps Products
Yes. The store offers an Oklahoma Plumbing Business and Law Complete Pass Package with highlighted and tabbed NASCLA and Oklahoma references, flash cards, and an online course.
Yes. Contractor Exam Preps lists a dedicated Oklahoma Plumbing Business and Law Online Exam Prep Course.
Yes. The store offers Oklahoma Plumbing Business and Law Contractor Exam Online Practice Questions.
Yes. Contractor Exam Preps sells the NASCLA Basic 14th Edition and a separate book-and-tabs bundle.
No. Study packages support preparation but do not guarantee examination scores or CIB licensing approval.
Watch this directly related 1ExamPrep video introducing Oklahoma Plumbing Business and Law contractor examination preparation.
The video focuses on studying for the business and legal portion of Oklahoma plumbing contractor licensing.
It is particularly relevant for candidates reviewing contracts, estimating, business management, Oklahoma laws, and open-book reference study.
Current exam reminder: The video was published in 2019. Follow the official PSI bulletin effective September 11, 2026 for current exam details, fees, and passing-score information.
Creator: 1ExamPrep.
Video title: Oklahoma Plumbing Business and Law.
Topic: Oklahoma Plumbing Contractor Business and Law Exam Prep.
Published: 2019.
Current PSI format: 50 questions, 120 minutes, open book.
Current official passing standard: 75%, with raw-score discrepancy requiring confirmation.
Watch the Oklahoma Plumbing Business and Law Video on YouTube
Use the Oklahoma Construction Industries Board and PSI for current licensing and examination rules.
Use Contractor Exam Preps for related Oklahoma Business and Law courses, books, practice questions, and reference navigation materials.
Exam: Oklahoma Plumbing Business and Law.
Questions: 50.
Time: 120 minutes.
Passing: PSI lists 75%, but the printed raw score is inconsistent.
Approved book: NASCLA Basic 14th Edition and Oklahoma-specific references.
Related products: Complete Pass Package, book package, online course, practice questions.
Preparing for the Oklahoma Plumbing Business and Law examination is an important step for experienced plumbing professionals who want to operate a licensed contracting business.
Plumbing contractors must understand how to install and repair plumbing systems.
However, running a plumbing business also requires strong management and legal knowledge.
Contractors must prepare estimates, manage projects, organize labor, maintain insurance, control finances, and meet licensing responsibilities.
The Oklahoma Construction Industries Board regulates plumbing licensing.
PSI administers the required licensing examinations.
Contractor candidates must satisfy both the technical trade testing requirements and the separate Plumbing Business and Law examination.
The Business and Law examination contains 50 scored questions.
Candidates have 120 minutes.
It is an open-book examination.
The official PSI Candidate Information Bulletin effective September 11, 2026 lists a 75% passing standard.
However, the same table prints a raw passing score of 37.
Because 75% of 50 equals 37.5, candidates should confirm the applicable passing threshold directly with PSI.
Preparing for at least 38 correct answers, preferably more, provides a sensible study target.
The examination contains eight official subject categories.
Bidding and Estimating is the largest category with ten questions.
Financial contains eight questions.
Project Management and Supervision contains seven questions.
Licensing Requirements contains six questions.
Contracts contains five questions.
Labor and Personnel contains five questions.
Payroll and Payroll Taxes contains five questions.
Risk Management contains four questions.
These categories total 50 questions.
Bidding and Estimating covers project costs, material expenses, labor costs, overhead, estimating methods, and bid preparation.
Successful contractors need accurate estimates because pricing errors can damage profitability.
Financial management is another major topic.
Contractors should understand cash flow, accounts receivable, accounts payable, business organization, balance sheets, income statements, financing, and financial ratios.
Being busy does not always mean being profitable.
A successful company needs to know whether its projects are earning enough money to cover expenses.
Project Management and Supervision covers scheduling, budgets, materials, quality control, reporting, safety, environmental protection, and general oversight.
These topics help contractors manage jobs efficiently.
Contracts includes agreement terms, required elements, change orders, warranties, and other obligations.
Written contracts help define the work and prevent disputes.
Labor and Personnel covers employment responsibilities, hiring, records, workers' compensation, and applicable safety requirements.
Payroll and Payroll Taxes focuses on wages, required forms, tax obligations, and recordkeeping.
Risk Management addresses insurance and surety bonds.
Licensing Requirements includes Oklahoma-specific laws, regulations, renewals, and compliance.
The examination is open book, but candidates must bring approved references.
The major national business reference is the NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition.
It covers business planning, startup, estimating, contracts, management, labor, risk, finance, payroll, taxes, and liens.
Oklahoma-specific references include the Plumbing License Law of 1955, Plumbing Industry Regulations, the CIB Fine Schedule, lien law, workers' compensation law, and the CIB Courtesy Exam Study Aids Book.
Candidates must prepare their references according to PSI's testing rules.
Approved books may be highlighted, underlined, and indexed before the examination.
Permanent tabs are permitted.
Temporary tabs, handwritten notes, and loose papers are prohibited.
Writing in references during the examination is also prohibited.
A good preparation program should teach candidates how to find answers efficiently.
Students should practice locating information in both the NASCLA business book and Oklahoma-specific law materials.
Contractor Exam Preps offers several related Oklahoma products.
The Oklahoma Plumbing Business and Law Complete Pass Package includes highlighted and tabbed NASCLA materials, Oklahoma laws and regulations, flash cards, and an online course.
The Oklahoma Plumbing Business and Law Contractor Book Package offers another reference study option.
The online course provides a structured way to review business subjects.
Online practice questions help candidates check their understanding.
The store also sells NASCLA Basic 14th Edition separately, including a tabs bundle.
Study products should always be checked against the latest PSI bulletin.
This is especially important when older product descriptions give a different passing percentage.
Oklahoma plumbing contractor applicants must also meet practical experience requirements.
The standard pathway includes three years of qualifying journeyman experience plus one additional year for contractor status.
Approved educational programs may provide specified experience credit.
After passing the required examinations, a contractor must still complete the licensing process.
For active plumbing contractor status, Oklahoma currently requires a $5,000 surety bond unless an approved alternative applies.
Contractors must also provide proof of at least $50,000 commercial general liability insurance.
These requirements help protect the public and support responsible contracting.
Contractors must follow apprentice supervision rules and display license information where required.
Continuing education and license renewal are ongoing responsibilities.
Plumbing contractors generally must complete six hours of approved continuing education within the preceding 36 months of license expiration.
A six-week study plan can help candidates prepare for Business and Law.
Begin with licensing requirements and approved references.
Continue with estimating, bidding, contracts, and project management.
Then review financial management, labor, payroll, insurance, bonding, and state laws.
Finish with full timed practice exams and reference navigation.
With consistent preparation, accurate information, and the correct study materials, plumbing professionals can approach Oklahoma Business and Law licensing with greater confidence.
Oklahoma Plumbing Business and Law Contractor Exam Prep helps plumbing professionals prepare for the business and legal portion of the Oklahoma plumbing contractor licensing process.
Oklahoma plumbing licensing is regulated by the Construction Industries Board.
PSI administers the required examinations.
Plumbing contractor candidates must understand both technical plumbing work and business responsibilities.
The Business and Law examination is separate from the plumbing trade examination.
The trade exam focuses on installation, repairs, codes, water supply, drainage, venting, fixtures, and related plumbing systems.
Business and Law focuses on how contractors run a business correctly.
It includes estimating, projects, contracts, finances, workers, taxes, risk, insurance, bonds, and licensing.
The current PSI bulletin is effective September 11, 2026.
It lists 50 scored questions and a 120-minute time limit.
The test is open book.
It lists a passing requirement of 75%.
The same table prints a raw passing score of 37.
That figure does not mathematically agree with 75% of 50 questions.
Candidates should verify the actual passing threshold with PSI before testing.
It is wise to study for at least 38 correct answers and aim higher.
The examination contains eight official subjects.
Bidding and Estimating includes ten questions.
Project Management and Supervision includes seven questions.
Contracts includes five questions.
Financial includes eight questions.
Labor and Personnel includes five questions.
Risk Management includes four questions.
Payroll and Payroll Taxes includes five questions.
Licensing Requirements includes six questions.
These categories total 50 questions.
Bidding and Estimating is the largest subject.
Plumbing contractors need to understand project pricing, labor costs, materials, equipment, overhead, and profit.
Good estimates help a company remain competitive while covering its expenses.
Financial topics are also important.
Contractors should understand cash flow, accounting methods, accounts payable, accounts receivable, business structures, balance sheets, and income statements.
Knowing the difference between sales and profit helps a contractor manage the business more effectively.
Project Management and Supervision includes scheduling, materials, quality control, safety, reporting, and general job oversight.
These skills support the successful completion of construction work.
Contracts includes legal terms, agreement types, change orders, warranties, and contractor obligations.
Clear written agreements help reduce misunderstandings.
Labor and Personnel includes hiring, employee records, workplace safety, workers' compensation, and employment responsibilities.
Payroll and Payroll Taxes includes wage records, tax forms, and filing obligations.
Risk Management includes insurance and surety bonds.
Licensing Requirements covers Oklahoma's contractor rules and renewal responsibilities.
The examination allows approved reference books.
The primary business reference is NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition.
This book covers business planning, estimating, contracts, project management, labor, insurance, finance, taxes, and lien matters.
Oklahoma-specific references are also important.
These include the Oklahoma Plumbing License Law of 1955 and Plumbing Industry Regulations.
The Oklahoma Construction Industries Board Fine Schedule is an approved reference.
The Oklahoma Lien Law and Workers' Compensation Act are also listed.
The current CIB Unofficial Administrative Rules and Courtesy Exam Study Aids Book is another approved reference.
Students should become familiar with the location of important information in these materials.
Reference books may be highlighted or underlined before the test.
Permanent tabs are allowed.
Temporary tabs, loose papers, and handwritten notes are not allowed.
Candidates also cannot write in their books during testing.
Open-book exams still require preparation because time is limited.
Students should practice recognizing which book applies to each question.
They should also complete timed practice exams.
Contractor Exam Preps offers related products designed for Oklahoma Plumbing Business and Law preparation.
The Complete Pass Package includes highlighted and tabbed business and state references, flash cards, and an online course.
The Oklahoma Plumbing Business and Law Book Package provides another reference preparation option.
The online course supports independent learning with organized topics.
Practice question products help students identify weak areas.
The store also sells NASCLA Basic 14th Edition and a book-and-tabs bundle.
These products support preparation but do not guarantee passing or licensing.
Oklahoma plumbing contractor applicants must meet CIB qualification requirements.
The standard experience pathway includes three years qualifying for journeyman status and one additional year of plumbing experience.
Approved educational programs may substitute for part of the experience requirement.
After examination passage, additional licensing requirements apply.
An active plumbing contractor generally must maintain a $5,000 surety bond.
The contractor also needs proof of at least $50,000 commercial general liability insurance.
These requirements are separate from the examination.
Contractors must also follow apprentice supervision rules and maintain appropriate business identification.
Oklahoma generally requires six hours of approved plumbing continuing education within the preceding 36 months of license expiration.
A six-week preparation plan can make Business and Law study more manageable.
Start with the official PSI bulletin and reference list.
Study estimating, bidding, and contracts.
Review projects and construction management.
Continue with finance, employment, payroll taxes, insurance, and bonding.
Learn Oklahoma licensing laws and regulations.
Finish with timed 50-question tests and reference lookups.
Successful preparation involves more than memorizing answers.
It requires understanding business principles and knowing how to apply the rules.
With consistent study, approved materials, and current licensing information, plumbing professionals can prepare more confidently for Oklahoma Plumbing Business and Law.
Explore Oklahoma plumbing contractor business courses, approved NASCLA books, state licensing references, practice questions, and preparation packages at ContractorExamPreps.com.
