Consumer Rights Act 2015: Primary legislation governing consumer rights in the UK, particularly relevant if the SLA is business-to-consumer (B2C). Sets out standards for service quality and consumer protections.

Supply of Goods and Services Act 1982: Establishes implied terms in contracts for the supply of services, including that services must be carried out with reasonable care and skill.

Unfair Contract Terms Act 1977: Regulates clauses that exclude or limit liability, particularly important for SLA penalty and limitation clauses.

Contracts (Rights of Third Parties) Act 1999: Determines when third parties may enforce terms of a contract, relevant if the SLA affects parties beyond the main contractual relationship.

UK GDPR: Data protection regulation governing the processing of personal data, crucial if the service involves handling user data.

Data Protection Act 2018: The UK's implementation of data protection laws, working alongside UK GDPR to regulate data processing activities.

Privacy and Electronic Communications Regulations: Specific regulations governing electronic communications and digital services, particularly relevant for online service providers.

Electronic Communications Act 2000: Legislation providing legal framework for electronic communications and digital signatures in service agreements.

Network and Information Systems Regulations 2018: Regulations governing security of network and information systems, particularly for critical infrastructure providers.

Contract Formation Principles: Common law principles governing how valid contracts are formed, including offer, acceptance, and consideration.

Doctrine of Consideration: Common law principle requiring exchange of value between parties for contract validity.

Damages and Remedies Principles: Common law principles governing how breaches of contract are compensated and remedied.

Force Majeure Principles: Legal principles governing circumstances beyond parties' control that prevent contract performance.

Consumer Protection from Unfair Trading Regulations 2008: Protects consumers from unfair commercial practices, relevant for B2C service agreements.

Electronic Commerce (EC Directive) Regulations 2002: Regulations governing electronic commerce and online service provision, including information requirements.