Cross-border developments and trading corner – 20 April 2026

In this week’s cross-border trading corner, we bring you the latest guidance updates and publications. The most recent Trader Support Service bulletin is also available as is the latest Brexit and Beyond newsletter from the Northern Ireland Assembly EU Affairs team. And finally the Government’s Borders Directorate Communications Team has sent an email about changes to the process for returning consignments rejected at EU Border Control Posts which come into effect from today, Monday 20 April 2026. The email also includes suggested actions to take.

Miscellaneous guidance updates and publications

This week’s miscellaneous guidance updates and publications are as follows:

• Amend or cancel a Customs Declaration Service import declaration,
• Report a problem using the Customs Declaration Service,
• The Customs (Northern Ireland) (EU Exit) (Amendment) Regulations 2026,
• Customs declarants and declaration volumes for international trade in 2025,
• Method 1 - Transaction value,
• Advance valuation rulings,
• Customs valuation,
• Reference Document for The Customs (Northern Ireland) (EU Exit) Regulations 2020,
• UK import trade in goods by country of origin and country of dispatch, 2024,
• Amend or cancel non-special procedure supplementary declarations,
• External temporary storage facilities codes for Data Element 5/23 of the Customs Declaration Service, and
• Internal temporary storage facilities (ITSFs) codes for Data Element 5/23 of the Customs Declaration Service.