Guidance

Knowledge Base: caseworker guidance

Tells HM Passport Office staff what Knowledge Base is and how to use it.

• From: HM Passport Office
• Published: 21 March 2023
• Last updated: 25 September 2025
  Show all updates

  1. 25 September 2025

     Guidance updated as detailed in first section.

  2. 6 June 2023

     Updated to show we do not hold information about all countries or territories.

  3. 21 March 2023

     First published.

Documents

Knowledge Base

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Details

A guide explaining what Knowledge Base is, how it is structured and how it can be used by HM Passport Office staff.