Births and Deaths Registration Act 1953: Primary legislation governing birth registration in England and Wales that sets out legal requirements for birth registration and documentation

Data Protection Act 2018 and UK GDPR: Legislation governing how personal information should be handled and protected. Date of birth is considered personal data under these regulations, with specific requirements for processing and storing personal information

The Perjury Act 1911: Legislation relevant to false declarations about date of birth which can constitute perjury, outlining legal consequences of providing false information in official documents

Freedom of Information Act 2000: Legislation that may be relevant if the letter is being prepared by a public authority

The Registration of Births and Deaths Regulations 1987: Contains detailed rules about birth registration procedures

The Civil Registration Directions 2021: Contains current guidance on birth registration practices