Value Added Tax Act 1994 and VAT Regulations 1995: Core legislation governing VAT requirements for invoices, including mandatory elements for valid VAT invoices if the business is VAT registered

Companies Act 2006: Mandates requirements for company information disclosure on business documents, including company registration number, registered office address, and place of registration

Consumer Rights Act 2015: Governs consumer rights and business obligations in B2C transactions, affecting invoice terms and conditions

Consumer Contracts Regulations 2013: Regulates contracts between traders and consumers, including information requirements that may need to be reflected on invoices

UK GDPR and Data Protection Act 2018: Legislation governing the handling and protection of customer information included on invoices

Company, Limited Liability Partnership and Business Names Regulations 2015: Specifies requirements for displaying business names correctly on official documents including invoices

Sale of Goods Act 1979: Establishes basic contractual requirements for sales transactions that should be reflected in invoice terms

Late Payment of Commercial Debts (Interest) Act 1998: Governs payment terms and the right to charge interest on late payments, which should be noted on invoices