Bills of Exchange Act 1882: Primary legislation that defines promissory notes, their requirements, and sets out fundamental rules for validity and enforceability of negotiable instruments

Law of Property Act 1925: Relevant legislation for secured promissory notes, containing provisions regarding interest and property rights that may affect the security aspects of the note

Consumer Credit Act 1974: Regulatory framework for consumer lending, including mandatory requirements and consumer protections that may apply if the promissory note involves consumer credit

Limitation Act 1980: Establishes time limits for enforcing the note and relevant statute of limitations considerations for legal actions

Contract Law Principles: Fundamental legal principles including offer, acceptance, consideration, and intention to create legal relations that form the basis of any valid contract

Common Law Principles: Established legal principles regarding novation, amendment of existing obligations, and restatement of terms in amended agreements

Financial Services and Markets Act 2000: Regulatory framework for financial services that may apply if the promissory note falls within regulated activities

Money Laundering Regulations 2017: Anti-money laundering requirements that may need to be considered depending on the nature and parties of the transaction