Technical reference documents

Message Implementation Guidelines (MIGs) and associated documents.

Software developers should use the following MIGs to start development:

B2B messaging information

The three documents below provide an overview of how to set up to direct connect to Trade Single Window (TSW), and how to get WCO3 messages software validated by Customs and MPI for use in production:

Inward Cargo Report process overview

The Process Overview for Air Freight document (PDF 618 KB) provides shipping lines, air lines, freight forwarders and software providers with an overview of the new ICR message and the associated new operational processes that will apply when it goes live.

If you have any questions or feedback please contact