Guidance

Explosives precursors and poisons licensing: how to get documents countersigned

Outlines the role of the countersignatory, who can countersign a document and how to countersign.

• From: Home Office
• Published: 23 September 2014
• Last updated: 15 October 2025
  Show all updates

  1. 15 October 2025

     Updated guidance to explain how to correctly countersign supporting documents.

  2. 21 May 2025

     Updated to reflect a change in the application process.

  3. 17 December 2021

     Minor change to page title.

  4. 20 May 2016

     Updated guidance published.

  5. 23 September 2014

     First published.

Documents

Explosives precursors and poisons licence applications: how to get documents countersigned

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Details

The document gives guidance on explosives precursors and poisons licence applications, including:

• the role of a countersignatory
• who can countersign a document
• how to countersign a document