South Carolina Business Management and Law - Commercial Contractors Practice Exam
Free Practice Exam
Test your knowledge with 10 questions from our pool of 20 free questions.
- 10 questions per attempt
- 30 minute time limit
- Unlimited attempts
- A new mix each time
- Instant results
Full Practice Exam
Complete exam simulation matching the real PSI test format.
- 50 questions (same as real exam)
- 125 minute time limit
- 11 topic areas covered
- 327 questions in pool
- Detailed explanations
Texts preferred · 9am–9pm Central
South Carolina Business Management and Law - Commercial Contractors Practice Exam Guide
What's on the exam
Questions per topic, out of 50This guide covers the Business Management and Law examination for commercial contractors licensed through the South Carolina Contractor's Licensing Board — not the separate Business Management and Law examination taken by residential builders under the SC Residential Builders Commission. The commercial examination is open book and is built on the NASCLA Contractors Guide to Business, Law and Project Management, South Carolina Commercial Contractors, 9th Edition. It tests business structure and licensing finance, estimating and bidding, contracts, project management, insurance and bonding, safety recordkeeping, labor law, financial management, taxes, liens, and environmental regulation.
Two practice options are available. The free practice exam gives you 10 questions per attempt, and you may retake it as often as you like. The full practice exam gives you 50 questions with a time limit of 125 minutes, drawn fresh from our question bank on every attempt, so repeat sittings do not repeat the same set.
Business Management 2 items
Questions here separate entity types by liability and taxation. Expect the consequence when a general partner dies or leaves — the partnership dissolves and assets are sold or distributed to pay creditors first, then partners (NASCLA Contractors Guide, Chapter 2) — and the rule that a single-owner LLC is taxed as a sole proprietorship (NASCLA Contractors Guide South Carolina, Chapter 2, Limited Liability Company (LLC), Tax Implications). Licensing finance is also tested by group: a general contractor bidding up to $1,000,000 per job (Group Three) needs $150,000 net worth (or $100,000 working capital) and, on initial application, a CPA-compiled financial statement (NASCLA Contractors Guide (SC), Appendix E — S.C. Code §40-11-260(A)(3)).
Estimating and Bidding 10 items
The heaviest arithmetic topic. Know the two take-off formulas: Required Labor Hours per Task × Labor Rate, and Price per Unit × Number of Units Needed (NASCLA Contractors Guide South Carolina, Bidding and Estimating chapter — Quantity Take-off section (Page 7-3) and Determine Materials Cost section (Page 7-4)). Labor burden adds roughly 30 percent (Labor Burden section (Page 7-4)). Questions also sort project overhead from company overhead (Add Project Overhead section (Page 7-6)), apply allowances and contingencies, distinguish bid rigging from shopping and peddling (Bid Rigging section (Page 7-2)), and code job costs by L, M, E, P (Job Cost Recording System section (Page 7-8)).
Contracts and Agreements 12 items
The largest topic. Verified questions test the four required elements — offer and acceptance, consideration, competent parties, legal purpose (NASCLA Contractors Guide, Chapter 8 — Required Contract Elements) — and that a counteroffer is not acceptance (Chapter 8 — Offer and Acceptance). Contract types recur: lump-sum risk and savings, unit-price for undetermined quantities (Chapter 8 — Types of Construction Contracts). Expect liquidated damages multiplication, fast-track and turnkey definitions, mediation versus arbitration, and South Carolina Prompt Pay Law rules on withholding and on notice as a prerequisite to interest (NASCLA Contractors Guide, Appendix J — SC Code Section 29-6-40 and SC Code Section 29-6-50).
Project Management 5 items
Scheduling vocabulary is tested precisely: free float is delay that does not affect the next activity's early start, distinct from total float (NASCLA Contractors Guide, Chapter 9 — Float Time section). Supervisory roles are tested by function, including the materials expediter (Chapter 9 — Materials Expediter section). Other items cover the preliminary schedule prepared for the pre-construction meeting (Chapter 9 — Pre-Construction Phase section), closeout walkthrough and punch list (Chapter 9 — Job Completion and Closeout section), and cost overruns identified through budget tracking (Chapter 9 — Budget Tracking section).
Insurance and Bonding 2 items
Bond questions ask which bond guarantees what: the payment bond protects subcontractors and suppliers, the performance bond guarantees completion, the bid bond guarantees the bid price (NASCLA Contractors Guide, Chapter 4 — Types of Bonds section). Property coverage questions contrast all-risk with named peril builders' risk (Chapter 4 — All-Risk Builders' Risk Insurance and Named Peril Builders' Risk Insurance sections). Also tested: wrap-up liability bundling coverage on large projects, and South Carolina public project timing — suit rights after 90 days without payment (Chapter 4 — Laws Governing Bonding of South Carolina State Public Construction Projects section).
Safety Recordkeeping and Reporting 1 item
One scored item. Records on Forms 300, 300A and 301 are kept five years following the year they cover (NASCLA Contractors Guide, Chapter 11 — OSHA Recordkeeping section). Employers with 10 or fewer employees are exempt unless they receive a BLS or OSHA survey form (Chapter 11 — Who Needs to Complete the Forms section). Form 300A is posted by February 1 and stays up until at least April 30 (Chapter 11 — OSHA Form 300A section). Fatalities within 30 days of an incident are reported orally within eight hours (Chapter 12 — Reporting Fatalities and Hospitalizations section).
Labor Laws and Employment Regulations 3 items
Classification is tested through the three IRS categories — behavioral control, financial control, and type of relationship (NASCLA Contractors Guide, Chapter 13 — Employee or Independent Contractor: IRS Guidelines section). Other verified items cover the $7.25 federal minimum wage effective July 24, 2009 (Chapter 11 — Fair Labor Standards Act section), Form I-9 retention of three years after hire or one year after employment ends, whichever is later (Chapter 11 — Immigration and Nationality Act section), and South Carolina new hire reporting penalties (Chapter 11 — New Hire Reporting section).
Financial Management 7 items
Expect calculation. Working capital is current assets minus current liabilities (NASCLA Contractors Guide, Chapter 14 — Balance Sheet section); the quick ratio removes inventory before dividing (Chapter 14 — Quick Ratio section); the average collection period divides receivables by sales per day (Chapter 14 — Activity Ratio section). Percentage of completion multiplies cost ratio by contract amount (Chapter 14 — Percentage of Completion Method section). Straight-line depreciation subtracts salvage, then divides by useful life (Chapter 14, Depreciation Methods). Journal selection and completed contract disadvantages also appear (Chapter 14 — Classify and Record Transactions section and Chapter 14 — Completed Contract Method section).
Tax Laws 3 items
Items test who must obtain an EIN, with the sole proprietor exception for no employees and no excise or pension returns (NASCLA Contractors Guide, Chapter 15 — Employer Identification Number section), the $400 self-employment earnings threshold (Chapter 15 — Self-Employment Tax section), the monthly deposit schedule required in a first year of business (Chapter 15 — Deposit Schedule section), and the late deposit penalty ladder of 2, 5, 10 and 15 percent (Chapter 15 — Penalties section). Federal and South Carolina filings by entity type round out the topic.
Liens 3 items
Questions identify who holds lien rights — private security guard services at the site count as labor performed (NASCLA Contractors Guide South Carolina, Page 16-1). A party without a direct contract with the owner must give written notice of what was furnished and its value as a prerequisite (Page 16-2). When funds are short, amounts are prorated among lienors (Page 16-3). Fee recovery in a foreclosure action is capped at the amount of the lien (NASCLA Contractors Guide South Carolina, Appendix K, Section 29-5-10(a)).
Environmental Laws and Regulations 2 items
Federal statutes are tested by trigger: NEPA applies only to a federal action (NASCLA Contractors Guide, Chapter 12 — Environmental Law section). NPDES Phase II reaches sites disturbing one acre (Chapter 12 — National Pollutant Discharge Elimination System (NPDES) section), and a parcel under one acre inside a larger common plan of development still requires permitting (Chapter 12 — Assessing Stormwater Discharge section). Asbestos work requires a written Notice of Intent 10 working days before starting (Chapter 12 — Asbestos section).
Sample 1 — Contracts and Agreements
Question: Substantial completion means:
- A. All punch list items complete
- B. Final payment issued
- C. Work sufficiently complete for occupancy
- D. Warranty ended
Correct Answer: C
Substantial completion allows occupancy even if minor work remains. That is the operative test: the work is sufficiently complete for its intended use. Completion of every punch list item, issuance of final payment, and expiration of warranty all occur on their own schedules and none of them defines the term. Candidates who equate substantial completion with final completion lose this item and related items on retainage and final payment timing.
Sample 2 — Estimating and Bidding
Question: What is the formula used to determine the labor cost for each task in a construction estimate?
- A. Total Project Hours x Number of Workers = Labor Cost per Task
- B. Labor Rate x Material Cost = Labor Cost per Task
- C. Labor Rate ÷ Required Labor Hours = Labor Cost per Task
- D. Required Labor Hours per Task x Labor Rate = Labor Cost per Task
Correct Answer: D
The formula is Required Labor Hours per Task × Labor Rate = Labor Cost per Task. Employee skill level, crew size, and weather conditions must be weighed when estimating the required hours. The division option inverts the relationship and produces a meaningless figure; the material cost option confuses two separate take-off categories. Source: NASCLA Contractors Guide South Carolina, Bidding and Estimating chapter — Quantity Take-off section (Page 7-3).
Sample 3 — Financial Management
Question: Owner refuses retainage release. Best remedy?
- A. File mechanics lien
- B. Stop work
- C. Sue architect
- D. Accept decision
Correct Answer: A
A mechanics' lien protects unpaid contractor funds by attaching a claim to the improved property. Stopping work may itself breach the contract and rarely produces payment. The architect is not the party withholding the money, so an action against the architect misdirects the claim. Accepting the decision waives the amount owed. Read remedy questions for who holds the funds and which instrument secures them.
Treat a first full attempt as a diagnostic, not a verdict. Score it against the real pass mark, which is 35 correct answers out of 50 scored questions, and record the topic breakdown rather than the single percentage. Compare each missed item against the outline topics; the breakdown shows which topics cost you the points.
Weight your study by the outline. Contracts and Agreements carries 12 items and Estimating and Bidding carries 10; together they account for nearly half the scored examination. A four-item swing in either topic moves your total more than perfect performance in Safety Recordkeeping and Reporting, which carries a single item. Financial Management, at 7 items, is the third priority and rewards drilling formulas until they are automatic.
Because the examination is open book, your score also measures how fast you find rules in the reference. If you missed items you could have located, the problem is retrieval, not knowledge — practice finding the governing chapter or appendix quickly. Retake the full practice exam after correcting the two weakest topics and compare topic-level results, not just totals.
Reading past the qualifier in bidding questions. In Estimating and Bidding, the distractors are the adjacent term, not nonsense. Bid shopping, bid peddling and bid rigging each have a specific actor and moment (NASCLA Contractors Guide South Carolina, Bidding and Estimating chapter — Bid Rigging section (Page 7-2)). Likewise, a crane hired to set rooftop equipment is a direct project cost, while small tools and pickup trucks are indirect (Determining Estimated Costs section (Page 7-4)).
Skipping the burden step. Fully loaded labor cost requires multiplying the base rate by one plus the burden percentage. A $28 rate at 35 percent burden is $37.80, not $36.00. Labor burden adds roughly 30 percent as a planning figure (Labor Burden section (Page 7-4)); when the question supplies a rate, use the rate given.
Treating Prompt Pay withholding as open-ended. In Contracts and Agreements, candidates select plausible but unlisted grounds, such as inadequate general liability insurance. The statutory list is closed (NASCLA Contractors Guide, Appendix J — SC Code Section 29-6-40), and interest requires prior notice of the section at the time of the payment request (SC Code Section 29-6-50).
Confusing free float with total float. Free float protects the next activity's early start; total float protects the project completion date (NASCLA Contractors Guide, Chapter 9 — Float Time section). Scenario items in Project Management describe one and offer the other.
Losing the deadline pairs. Records and notices come in pairs that must be memorized together: OSHA records for five years, Form 300A posted February 1 through at least April 30, fatality reports within eight hours, asbestos Notice of Intent 10 working days ahead. Mixing the pairs costs the item outright.
Drifting off pace. 125 minutes for 50 questions allows about 2 minutes 30 seconds per question. Answer every computation and definition item you know cold on first pass, flag the lookups, and return to them with time reserved rather than spending it early.
| Questions | 50 questions |
| Time limit | 125 minutes |
| Passing score | 35 correct answers out of 50 scored questions |
| Books in the exam room | Open book |
| Exam fee | $78 |
- Your score is given immediately after the examination on screen and on a printed official report, with a diagnostic report of strengths and weaknesses if you do not pass.
- This examination may be taken on an unlimited basis over a 12-month period.
Source: Commercial Contractor Candidate Information Bulletin, Updated 8/27/2026. Check the bulletin before test day: fees and rules can change.