Uniform Commercial Code (UCC): Federal legislation primarily governing sales of goods, but certain provisions may be applicable to service contracts and invoicing practices
Fair Labor Standards Act (FLSA): Federal law establishing standards for wage payments, overtime compensation, and labor practices when services involve labor components
Internal Revenue Code: Federal tax legislation governing reporting requirements, tax obligations, and documentation requirements for service payments
E-SIGN Act: Federal law governing the validity of electronic signatures and electronic records in commerce, relevant for digital invoicing
State Contract Laws: State-specific legislation governing contract formation, enforcement, and remedies for breach of contract
State Consumer Protection Laws: State-specific regulations protecting consumers from unfair practices, including disclosure requirements and prohibited practices
State Tax Laws: State-specific tax regulations governing service-based transactions, including sales tax and other applicable taxes
Industry-Specific Regulations: Professional licensing requirements, industry standards, and specific regulations governing particular service sectors
Statute of Limitations: Time limits for bringing legal actions related to payment collection and contract disputes
Late Payment Rules: Regulations governing interest charges, late payment fees, and collection practices
Dispute Resolution Requirements: Legal framework for handling disputes, including mediation, arbitration, or litigation procedures
Privacy Laws: Federal and state regulations governing the handling and protection of personal information in business transactions
