UCC Article 3: Uniform Commercial Code provisions governing negotiable instruments and signature authority requirements for commercial transactions

E-SIGN Act: Federal law ensuring legal validity of electronic signatures and records in interstate commerce

State UETA: State-level adoption of Uniform Electronic Transactions Act governing electronic signatures and records within state jurisdiction

State Corporate Laws: State-specific requirements for corporate authorization and power to bind companies through authorized signatories

Corporate Bylaws Requirements: Internal governance documents specifying authorization procedures and signatory powers within the organization

Bank Secrecy Act: Federal law requiring financial institutions to verify and maintain records of signatory authority for account transactions

KYC Regulations: Know Your Customer requirements for verifying identity and authority of signatories in financial transactions

Agency Law: Legal principles governing relationship between principal and agent, including scope of signatory authority

Fiduciary Duty Rules: Legal obligations of authorized signatories to act in best interest of the organization when exercising their authority

Delegation Authority Rules: Regulations governing how and when signatory authority can be delegated within an organization