Financial Services and Markets Act 2000 (FSMA): Primary legislation governing financial services regulation in the UK, establishing the regulatory framework and FCA's powers

Financial Services Act 2012: Amendment to FSMA that reformed the UK financial services regulatory structure and created the Financial Conduct Authority

Financial Services and Markets Act 2000 (Regulated Activities) Order 2001: Defines which activities require FCA authorization and regulation in the UK financial services sector

FCA Handbook - COBS: Conduct of Business Sourcebook - Details specific requirements for firms' conduct in dealing with clients, including communication, disclosure, and suitability requirements

FCA Handbook - SYSC: Systems and Controls sourcebook - Sets out organizational requirements and responsibilities of firm management

FCA Handbook - PRIN: Principles for Businesses - Fundamental obligations for firms under FCA regulation

FCA Handbook - CASS: Client Assets Sourcebook - Rules for protecting and handling client money and assets

Consumer Rights Act 2015: Main consumer protection legislation covering contracts for goods, services, and digital content

Consumer Protection from Unfair Trading Regulations 2008: Prohibits unfair commercial practices between traders and consumers

Unfair Terms in Consumer Contracts Regulations 1999: Protects consumers against unfair standard terms in contracts with traders

Money Laundering Regulations 2017: Sets out the requirements for anti-money laundering controls and due diligence

Proceeds of Crime Act 2002: Criminal law relating to money laundering and proceeds of crime

Terrorism Act 2000: Legislation covering terrorist financing and related money laundering aspects

UK General Data Protection Regulation (UK GDPR): Post-Brexit data protection regulation governing how personal data must be handled

Data Protection Act 2018: UK's implementation of data protection standards, working alongside UK GDPR

Market Abuse Regulation (EU) 596/2014 as retained in UK law: Regulations preventing market abuse, insider dealing, and market manipulation

Criminal Justice Act 1993: Contains provisions relating to insider dealing in the UK

MiFID II regulations (as retained in UK law): Markets in Financial Instruments Directive rules covering investment services and activities

PRIIPs Regulation: Packaged Retail and Insurance-based Investment Products regulation requiring standardized disclosure documents

Common law principles of contract: Fundamental principles of contract law developed through case law

Misrepresentation Act 1967: Governs remedies for misrepresentation in contracts

Supply of Goods and Services Act 1982: Implies terms about quality of service into contracts