Include your license number on all advertising, use written contracts for jobs over $750 with 3-day cancellation disclosure, comply with codes, and never allow unlicensed personnel to perform plumbing work.
Key Takeaways
Why This Matters on the Exam
Legal compliance is a core topic tested on the C-36 Law & Business exam. You must understand CSLB enforcement procedures, license discipline grounds, advertising requirements, home improvement contract law, and the consequences of unlicensed contracting. These rules exist to protect consumers and distinguish legitimate contractors from unlicensed practitioners.
What You Must Know
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License number MUST appear on ALL advertising: business cards, websites, social media, yard signs, vehicles, flyers, radio/TV ads; non-compliance is grounds for discipline
Home improvement contracts over $750 require written agreement before work begins; must include contractor name, license number, start/completion dates, total price, payment schedule, and 3-day cancellation notice
Customer has 3 business days to cancel home improvement contract for any reason without penalty; countdown begins when contract is signed; contractor cannot waive this right
Unlicensed plumbing work is criminal: first offense misdemeanor up to 6 months jail and $500–$1,000 fine; subsequent offense felony up to 1 year jail and $1,000–$5,000 fine
CSLB discipline grounds per Business & Professions Code 7109-7121 include fraud, incompetence, dishonest conduct, failure to maintain workers comp insurance, unlicensed subcontracting, false advertising, and code violations
License revocation is permanent removal (usually 5–10 years before reapplication); suspension is temporary removal (weeks to months); revocation used for repeated violations or fraud
Contractor must disclose financing terms including APR, finance charges, and payment schedule if arranging customer financing
All plumbing work must comply with California Building Code and local amendments; work failing inspection must be corrected; non-compliance is ground for incompetence claim
Probation conditions may include mandatory reporting, continuing education, customer complaint resolution, increased insurance, bonding, restitution, and work restrictions; violating probation can trigger suspension or revocation
CSLB can revoke, suspend, or place licenses on probation
Specific grounds for discipline are outlined in Business & Professions Code sections 7109-7121
Advertising must include your license number on all ads
Home improvement contracts over $500 have specific legal requirements
Customers have a 3-day right to cancel certain contracts
Contractors must disclose financial information in some circumstances
Unlicensed contracting is a crime in California
Penalties for violations range from fines to imprisonment
Good standing with CSLB requires compliance with all rules