Law of Property Act 1925: Primary legislation governing how security interests in property are created and enforced. Essential for the collateral aspects of the promissory note.

Bills of Exchange Act 1882: Contains fundamental principles for negotiable instruments including promissory notes. Defines core legal requirements and framework for such instruments.

Consumer Credit Act 1974: Regulates credit agreements and provides consumer protections. Applicable if the promissory note involves a consumer rather than being a business-to-business transaction.

Financial Collateral Arrangements (No.2) Regulations 2003: Specific regulations governing financial collateral arrangements. Particularly relevant if financial assets are being used as collateral.

Companies Act 2006: Corporate law framework relevant when either party is a company, especially regarding the registration of charges and corporate authority.

Contract Law Principles: Common law principles including offer, acceptance, consideration, intention to create legal relations, and capacity to contract.

Financial Services and Markets Act 2000: Regulatory framework for financial services. Relevant if the arrangement could be considered a regulated activity.

Money Laundering Regulations 2017: Regulations ensuring compliance with anti-money laundering requirements in financial transactions.