Statute of Frauds 1677: Historical legislation that requires guarantees to be made in writing and signed to be enforceable. Fundamental for the formal requirements of guarantee documents.

Contract Law Act 1999: Governs the general principles of contract formation and enforcement in England and Wales, relevant for the basic structure of the guarantee agreement.

Financial Services and Markets Act 2000: Regulates financial services and markets in the UK, including the issuance of guarantees by financial institutions.

Unfair Contract Terms Act 1977: Controls the use of exclusion and limitation clauses in contracts, ensuring fairness in contractual relationships.

Consumer Rights Act 2015: Provides protection for consumers in contracts, applicable if the guarantee involves consumer transactions.

Banking Act 2009: Regulates banking institutions and their activities, including their authority to issue guarantees.

Financial Services (Banking Reform) Act 2013: Implements structural reforms to the banking sector, affecting how banks can provide guarantee services.

PRA Requirements: Prudential Regulation Authority requirements governing banks' prudential operations and risk management in issuing guarantees.

FCA Regulations: Financial Conduct Authority regulations ensuring consumer protection and market integrity in financial services.

Common Law Principles: Established legal principles including consideration, contract formation, interpretation, and agency law applicable to guarantees.

URDG 758: Uniform Rules for Demand Guarantees, international standard rules governing practice of demand guarantees.

Money Laundering Regulations 2017: Regulations requiring due diligence and preventing the use of financial instruments for money laundering.

Proceeds of Crime Act 2002: Legislation dealing with money laundering and other financial crimes, relevant for verification of advance payment sources.