Late Payment of Commercial Debts (Interest) Act 1998: Key legislation governing statutory rights to claim interest on late commercial payments, including applicable interest rates and the right to claim reasonable costs of debt recovery

Limitation Act 1980: Establishes time limits for bringing claims (generally 6 years for simple contracts) and ensures claims are within statutory limitation periods

Contracts (Rights of Third Parties) Act 1999: Determines who has the right to enforce the contract and the rights of third parties in contractual matters

Civil Procedure Rules (CPR): Sets out pre-action conduct requirements, protocol for debt claims, and requirements for formal demands before litigation

Supply of Goods and Services Act 1982: Governs contracts involving goods or services, including implied terms and conditions

Common Law Principles: Encompasses requirements for valid contract formation, principles of breach of contract, calculation of damages, and mitigation of loss

Consumer Rights Act 2015: Applicable when dealing with consumer contracts rather than business-to-business transactions

European Communities (Protection of Trading Interests) Act 1980: Relevant for contracts with international elements or cross-border implications