Late Payment of Commercial Debts (Interest) Act 1998: Primary legislation governing statutory interest on commercial debts and compensation for late payment. Essential for determining interest rates and compensation levels in commercial debt collection.

Limitation Act 1980: Sets statutory time limits for debt collection, typically 6 years for most debts. Critical for determining whether a debt is still legally collectible.

Consumer Credit Act 1974: Regulates consumer credit agreements and sets out requirements for information provision in consumer debt cases. Determines how consumer debts must be handled.

Financial Services and Markets Act 2000: Regulates financial services activities and relevant requirements for debt collection involving regulated financial products.

FCA Handbook (CONC): Consumer Credit sourcebook containing specific rules about debt collection practices and standards for fair treatment of debtors.

Data Protection Act 2018 and UK GDPR: Governs the handling of personal information and data protection requirements in debt collection processes.

Administration of Justice Act 1970: Contains Section 40 which specifically prohibits harassment of debtors during debt collection activities.

Protection from Harassment Act 1997: Provides general provisions against harassment that must be considered in debt collection practices and communications.