Financial Services and Markets Act 2000 (FSMA): Primary legislation that regulates financial services and markets, containing key provisions about how financial institutions must treat customers during account relationships and termination

Consumer Rights Act 2015: Legislation governing fairness in consumer contracts and provides protection for consumers in financial services. Particularly relevant if the account holder is a consumer rather than a business

Data Protection Act 2018 and UK GDPR: Legislation governing how personal data must be handled, including requirements for data retention and deletion, as well as privacy rights of account holders during and after account termination

Payment Services Regulations 2017: Regulations governing payment services and account closures, including specific notice periods for account termination and requirements for handling remaining funds

FCA Regulations (BCOBS): Financial Conduct Authority regulations including the Banking Conduct of Business Sourcebook, covering fair treatment of customers principles and requirements for clear communication

Equality Act 2010: Legislation ensuring that account termination isn't discriminatory and protects against unfair treatment based on protected characteristics

Money Laundering Regulations 2017: Regulations covering suspicious activity reporting and record-keeping requirements that may be relevant in cases of account termination due to suspicious activity