Guidance

Simplified Process for Internal Market Movements (SPIMM) and UK Carrier (UKC) Scheme: Additional Procedure Codes

Find out additional instructions for specific data elements that may be used with each 3-digit Additional Procedure Code.

Updates to this page

Published 10 January 2025
Last updated 3 October 2025 show all updates
  1. Additional Procedure Code 1NV has been updated in the Simplified Process for Internal Market Movements (SPIMM) Declaration Completion Instructions to show use with Procedure Code 4078 in alignment with existing Customs Declaration Service functionality.

  2. All advisory banners relating to the use of SPIMM prior to its launch have been removed.

  3. First published.

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