Freedom of Information Act 2000: Key legislation governing access to information held by public authorities and ensuring transparency in government operations

Data Protection Act 2018 and UK GDPR: Legislation controlling how personal information can be used and shared by organizations, including government departments

Equality Act 2010: Legislation protecting individuals from discrimination and promoting equality in public services

Human Rights Act 1998: Fundamental rights and freedoms that must be respected by public authorities in their dealings with citizens

Public Service Ombudsman Rules: Guidelines governing the process of escalating complaints to the relevant ombudsman services

Parliamentary and Health Service Ombudsman Guidance: Specific procedures and standards for complaints handling in government departments and health services

Civil Service Code: Standards of behavior and conduct expected from civil servants when dealing with the public

Departmental Complaints Procedures: Specific internal procedures each government department must follow when handling complaints

Administrative Law Principles: Legal principles governing the actions and decisions of administrative bodies and public authorities

Statutory Limitation Periods: Legal time limits within which complaints must be raised against government departments

Department-Specific Regulations: Individual regulations and policies specific to the government department being complained about

Judicial Review Principles: Legal principles governing the process of challenging decisions made by public bodies through the courts

Natural Justice Principles: Fundamental principles of fairness in administrative decision-making, including the right to be heard and absence of bias