1. Introduction

The Import Control System RFC29 upgrade is scheduled for implementation to the live system on the 1 October 2017.

This Customs Information Paper tells all ICS users about:

  • the changes that will affect all those making declarations (if any)
  • the downtime required (if any), and where more detailed information can be found if needed

2. Technical specification

The new technical specifications will be available from October 2017. This will give details of the changes needed to ICS software to align with the RFC29 upgrade. The schemas and WSDL files have been updated where required.

The trader test pack is also available and remains unchanged.

The RFC29 upgrade software is available for testing on the Third Party Test and Validation System (TVPS).

3. ICS changes

There are no trader impacting changes in the RFC29 upgrade.

4. ICS live downtime – RFC29

ICS doesn’t need any downtime for the RFC29 upgrade.

If this changes there’ll be more information on the service availability page.

5. Contact details

If you need more information about ICS related issues, email
For more information about import policy, email
Issued on 14 July 2017 by Customer Strategy and Tax Design, Customs Directorate, HM Revenue and Customs (HMRC).
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