Uniform Commercial Code (UCC): Primary law governing sales transactions in the US, particularly Article 2 which covers sale of goods, contract formation, warranties, and remedies

State-Specific Contract Laws: Local state requirements for contract formation, Statute of Frauds compliance, and state-specific consumer protection regulations

Federal Trade Commission Regulations: Federal rules governing consumer protection, fair trade practices, and mandatory disclosure requirements for sales agreements

Consumer Protection Laws: Including Magnuson-Moss Warranty Act, state consumer protection statutes, and cooling-off period regulations for consumer transactions

Product Safety Laws: Consumer Product Safety Act and product liability considerations that need to be addressed in sales agreements

Electronic Signatures Laws: E-SIGN Act and UETA regulations governing the validity of electronic signatures and digital contracts

Tax Considerations: Sales tax requirements, state-specific tax regulations, and federal tax implications that need to be addressed in the agreement

Industry-Specific Regulations: Specific compliance rules, licensing requirements, and regulations based on the industry or type of goods being sold