Common Law Principles: Fundamental principles including Law of Contract, established case law principles for guarantees, and doctrine of consideration

Statute of Frauds 1677: Section 4 requires guarantees to be in writing and signed by the guarantor or their authorized representative

Unfair Contract Terms Act 1977: Regulates exclusion and limitation clauses in business-to-business contracts and sets requirements for reasonableness

Consumer Rights Act 2015: Governs contracts involving consumers, establishing requirements for fairness and transparency in guarantee terms

Misrepresentation Act 1967: Addresses false statements made during the formation of the guarantee and provides remedies for misrepresentation

Third Parties (Rights Against Insurers) Act 2010: Relevant for understanding third party rights in guarantee contexts involving insurance aspects

Financial Services and Markets Act 2000: Important for ensuring the guarantee doesn't inadvertently fall within regulated financial activities

Contracts (Rights of Third Parties) Act 1999: Governs the rights of third parties to enforce terms of the guarantee when they are not direct parties to it

EU Retained Law: Post-Brexit legislation retained from EU law that may impact guarantee provisions and interpretation