Contracts (Rights of Third Parties) Act 1999: Primary legislation governing how third parties may enforce terms of a contract to which they are not a direct party. Essential for SLAs involving multiple service providers or beneficiaries.

Consumer Rights Act 2015: Fundamental legislation protecting consumer rights when purchasing goods and services. Relevant if the SLA involves delivery of services to consumers.

Supply of Goods and Services Act 1982: Key legislation governing contracts for the supply of services, including implied terms about quality and fitness for purpose.

Data Protection Act 2018 and UK GDPR: Legislation governing the processing and protection of personal data, crucial for SLAs involving data handling and storage.

Computer Misuse Act 1990: Legislation addressing unauthorized access to computer systems and data, relevant for IT service delivery and security requirements.

TUPE Regulations 2006: Transfer of Undertakings regulations protecting employees' rights when business activities transfer between providers, relevant if service delivery involves staff transfers.

Employment Rights Act 1996: Core employment legislation that may impact service delivery staff and their rights in the context of the SLA.

Network and Information Systems Regulations 2018: Regulations specifically addressing digital service providers and their security obligations.

Privacy and Electronic Communications Regulations: Specific regulations governing electronic communications and marketing, relevant for digital service delivery.

Financial Services and Markets Act 2000: Regulatory framework for financial services, crucial if the SLA involves financial service delivery or support.

ISO/IEC 20000: International standard for IT Service Management, providing framework guidelines for ITIL-based service delivery.

ISO 27001: Information security management standard, essential for defining security requirements in IT service delivery.

Common Law Contract Principles: Fundamental principles of contract law in England and Wales, including offer, acceptance, consideration, and intention to create legal relations.

Duty of Care: Common law principle requiring service providers to exercise reasonable care in service delivery.

International Data Transfer Regulations: Regulations governing the transfer of data across borders, particularly relevant for cloud services and international service delivery.