Finance Act: Current version of the Finance Act which provides the primary legislation for tax matters in the UK
Taxes Management Act 1970: Fundamental legislation governing the administration and collection of taxes in the UK
Value Added Tax Act 1994: Legislation governing VAT registration and administration, relevant if VAT registration is part of the TIN authorization
Powers of Attorney Act 1971: Legislation governing the creation and execution of powers of attorney, which may be relevant for tax authorization purposes
UK General Data Protection Regulation: Post-Brexit data protection legislation ensuring proper handling of personal data in the UK
Data Protection Act 2018: UK's implementation of data protection standards, working alongside UK GDPR
Privacy and Electronic Communications Regulations: Regulations governing privacy in electronic communications and data sharing
Companies Act 2006: Primary legislation governing company operations in the UK, relevant for corporate entities
Commissioner for Oaths Act 1889: Historic legislation still governing the authentication of documents requiring notarization
Electronic Communications Act 2000: Legislation governing the validity of electronic communications and signatures
Common Law Agency Principles: Established legal principles governing relationships between principals and agents in English law
HMRC Guidelines: Administrative guidelines and requirements set by Her Majesty's Revenue and Customs for tax matters
Anti-Money Laundering Regulations: Current regulations for preventing money laundering and ensuring proper identification verification
