Contracts (Rights of Third Parties) Act 1999: Primary legislation governing how third parties may enforce terms of a contract in England and Wales

Late Payment of Commercial Debts (Interest) Act 1998: Primary legislation that provides for statutory interest on late payments in commercial transactions

Supply of Goods and Services Act 1982: Primary legislation that implies terms about quality and fitness for purpose in contracts for goods and services

Contract Formation Principles: Common law principles covering offer, acceptance, consideration, and intention to create legal relations

Incorporation of Terms Principles: Common law principles governing how terms become part of a contract and their interpretation

Written Confirmation Rules: Common law principles regarding the documentation of agreements and subsequent variations

Consumer Rights Act 2015: Primary legislation protecting consumer rights in contracts (if project involves consumers)

Data Protection Act 2018: Primary legislation governing the processing of personal data, including UK GDPR requirements

Electronic Communications Act 2000: Primary legislation governing the legal status of electronic communications and signatures

Housing Grants, Construction and Regeneration Act 1996: Primary legislation specific to construction contracts and payment provisions (if relevant to project)

Computer Misuse Act 1990: Primary legislation relevant to IT projects dealing with computer systems and data security