UK: What’s Changing for UK-NI Parcels?
- Arne Mielken
- Apr 18
- 5 min read
A major shift in customs procedures for parcels moving between Great Britain and Northern Ireland is coming soon. Here's what you need to know! + Watch a one hour webinar by HMRC

For businesses trading between Great Britain and Northern Ireland, a significant change is on the horizon. From 1 May 2025, new customs procedures will reshape the movement of B2B parcels. This change stems from the Windsor Framework, introduced to address challenges posed by the Northern Ireland Protocol after Brexit. Understanding these changes and preparing in advance is crucial for businesses to avoid unexpected customs duties or delays.
In this blog, I'll guide you through these changes, explain what you need to do, and provide insights into how you can stay compliant. Whether you're an importer, exporter, or customs consultant, these updates are essential for smooth operations going forward.
Top tip 1: You can break down a paywall by becoming a Premium plan subscriber.
Top Tip 2: For personalized updates and advice on how these changes could affect your business, sign up for email alerts at www.customsmanager.info.
Key Questions Covered in This Blog
What is the Windsor Framework, and how does it affect B2B parcel movement?
What are the changes to customs procedures for parcels sent from GB to NI after 1 May 2025?
What is the UK Internal Market Scheme (UKIMS), and how can your business benefit?
What is the process for registering under UKIMS, and what happens if you don’t?
How will the new procedures affect logistics, compliance, and customs declarations?
Downloads & Resources Available for Premium Plan Subscribers
"With the upcoming changes, preparing early is not just a recommendation—it's a necessity. Businesses that act now will gain a competitive edge by ensuring smoother operations and avoiding costly delays."Arne Mielken, Managing Director, Customs Manager
Abbreviations Used In This Blog
UKIMS – UK Internal Market Scheme
IMMI – Internal Market Scheme Movement Information
SIM – Simplified Procedures for Internal Market Movements
CDS – Customs Declaration Service
Watch the 1-Hour Recording Guide on Moving Parcels by HMRC
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