Evidence Act 1851: Primary legislation governing the admissibility of sworn statements in legal proceedings. Key for establishing the basic framework for affidavit evidence.

Commissioner for Oaths Act 1889: Legislation that regulates the proper execution and witnessing of affidavits, including who can administer oaths and the formal requirements for sworn statements.

Civil Evidence Act 1995: Contains key provisions regarding the admissibility of evidence in civil proceedings, including rules about documentary evidence and sworn statements.

Perjury Act 1911: Defines the criminal offense of perjury and establishes penalties for making false statements in affidavits and other sworn documents.

Civil Procedure Rules (CPR): Contains crucial procedural rules, particularly Part 22 (Statements of Truth) and Part 32 (Evidence), governing how affidavits should be prepared and used in civil proceedings.

Supreme Court Act 1981: Provides statutory framework for the administration of oaths, relevant to the proper execution of affidavits.

Companies Act 2006: May be relevant if the application form mistake relates to company matters, containing specific provisions about company documentation and corrections.

Immigration Rules: Relevant if the application form mistake relates to immigration matters, providing specific requirements for correcting errors in immigration applications.

Land Registration Act 2002: Applicable if the mistake relates to property or land registration applications, containing specific provisions about correcting errors in land registry documents.

Data Protection Act 2018 and UK GDPR: Governs the handling of personal information within the affidavit and ensures compliance with data protection principles when processing personal data.