Consumer Credit Act 1974: Primary legislation governing consumer credit and debt collection. Regulates creditor-debtor communications, mandates specific information and formatting requirements for notices, and sets out prescribed content requirements for debt-related communications.

FCA Guidelines and CONC Rules: Regulatory framework from the Financial Conduct Authority, including Consumer Credit Sourcebook (CONC) rules. Covers fair treatment of customers, clear communication requirements, and proper debt collection practices.

Late Payment of Commercial Debts (Interest) Act 1998: Legislation specifically for business-to-business debts, establishing statutory interest rates and compensation frameworks for late payments.

Limitation Act 1980: Sets statutory time limits for debt recovery actions and defines when debts become statute-barred. Critical for determining the validity of debt claims.

Data Protection Act 2018 and UK GDPR: Privacy and data protection legislation governing how personal information must be handled during debt collection, including requirements for data protection principles and privacy compliance.

Consumer Rights Act 2015: Legislation ensuring fairness and transparency in consumer contracts and notices, including requirements for clear terms and fair treatment in debt collection.

Civil Procedure Rules: Court rules establishing pre-action protocols for debt claims and necessary requirements that must be met before initiating court proceedings for debt recovery.