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Guidance Published 27 Feb 2026 Home Office ↗ View on GOV.UK

Inadmissibility – third country cases: caseworker guidance

Immigration staff guidance on Immigration Rules 345A-D, relating to inadmissibility of asylum claims and the Home Office processes supporting those rules.

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UK Visas and Immigration staff guidance aimed at:

  • the Third Country Unit (TCU)

  • those responsible for allocating confirmed or potential inadmissibility cases to the TCU

The guidance explains the processes for handling circumstances in which asylum claims must be treated as inadmissible. This is in accordance with Paragraph 345A of the Immigration Rules.

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