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The Windsor Framework

Overview

The Windsor Framework is a bilateral agreement between the United Kingdom (UK) and the European Union (EU) that governs the trade relationship between Great Britain (GB) and Northern Ireland (NI) following Brexit. This framework replaces the Northern Ireland Protocol and is designed to simplify customs procedures while ensuring that Northern Ireland retains access to the EU Single Market.

This document outlines the implications of the Windsor Framework on your shipping operations, the data required for creating compliant shipment labels, and the necessary steps to ensure continued compliance.


What Is the Windsor Framework?

The Windsor Framework introduces new customs and trade regulations that govern the movement of goods from Great Britain to Northern Ireland. Key aspects of the framework include:

  • Simplified Customs Procedures:

    The level of customs data required depends on the trade category:

    • Business-to-Consumer (B2C),

    • Consumer-to-Consumer (C2C), 

    • Business-to-Business (B2B).

  • Green and Red Lanes:

    • Green Lane: Goods that are deemed "not at risk" of entering the EU will be subject to simplified checks and fewer customs requirements.
    • Red Lane: Goods considered "at risk" of entering the EU will require a full customs declaration, including additional details to ensure compliance with EU regulations.

  • Timelines:

    Initial changes were scheduled to take effect by 30 September 2024, with full compliance expected by 31 March 2025. However, timelines remain subject to UK government updates.

Please refer to the official HMRC guidance for the latest updates, UK government’s official guidance.


How the Framework Affects Your Shipping Process

When shipping from Great Britain to Northern Ireland, additional data is required in shipment label requests to ensure accurate customs declarations and correct routing. Data requirements vary between B2C/C2C and B2B shipments.

For B2C and C2C Shipments
  • Basic Consignment Data:

    • Sender and recipient names, addresses, and contact details
    • Parcel weight and total consignment value
    • A plain English description of the shipment contents

  • Customs Formalities:

    B2C shipments typically require simpler customs data when following UK Carrier Scheme guidelines, provided the goods are not at risk of entering the EU.

For B2B Shipments

B2B shipments require more detailed data so that your shipment can be classified as either “green lane” (not at risk) or “red lane” (at risk). In addition to the basic consignment data, you must provide:

  • Mandatory Fields:

    • Sale Type: Specify whether the shipment is B2B or B2C
    • Number of Pieces and Total Value: Comprehensive details of the goods. 
    • Commodity Details:
      • Commodity codes (HS codes) – 6 or 10 digits, as required.

      • Descriptions, quantities, unit weights, and unit values
      • Country of manufacture
      • Deferment account details (if applicable for customs charges).


  • UKIMS Number:

    • Either the sender’s or recipient’s UKIMS number is required.

    • If missing, the shipment defaults to B2C rules and may be considered at risk.


  • EORI Number:

    • The sender’s EORI number is mandatory.

    • If a recipient’s UKIMS number is provided, their EORI number must also be included.


  • Clearance Declaration Details:
    These details differ based on the lane:

    • Green Lane (Not at risk): Only minimal extra data is needed when UKIMS details are included.
    • Red Lane (At risk): Requires a full international dataset, similar to an H1 declaration, along with additional customs information and may be subject to EU duties.

Data Fields Required When Creating Shipping Labels

Please check the courier requirements table for the couriers that you are using to fully comply with the courier requirements for the Windsor Framework:

To ensure compliance with the Windsor Framework, the following key fields must be included in shipment label data:

Core Data Fields
  • Sale Type: Identifies whether the shipment is B2B, B2C, C2C, or C2B.

  • Commodity Details (for B2B Shipments):

    • Commodity Code (HS Code).

    • Detailed DescriptionDescription:  (quantity, unit weight, unit value, country of origin).origin.

    • UKIMS NumberNumber:  (shipper and/or recipient).recipient.

    • EORI NumbersNumbers:  (shipper’s EORI required; recipient’s EORI required if UKIMS details are included).included.

    • Additional Commodity DetailsDetails:  (as required by the carrier).carrier.


Our documentation will be continuously updated as new regulations emerge, including carrier-specific compliance requirements.

  • Sale Type:
    Identifies whether the shipment is B2B, B2C, C2C, or C2B.

  • For B2B Shipments (Customs and Declaration Data):

    • Commodity Code (HS Code)
    • Detailed Description: Including quantity, unit weight, unit value, and country of origin.
    • UKIMS Number: For the shipper, recipient, or both.
    • EORI Numbers: Always include the shipper’s EORI and, if applicable, the recipient’s EORI.
    • Other Commodity Details: As required by your carrier.

Our documentation will be updated as new information emerges. We will revise the general regulation details as well as the specifics for each carrier affected by the framework.


Our documentation will be updated as new information emerges. We will revise the general regulation details as well as the specifics for each carrier affected by the framework.

Courier Requirements

Fields/Courier RoyalMail Whistl RoyalMail
ClickAndDrop
Yodel
Supported Sales Types: B2B / B2C B2B / B2C B2B / B2C B2C
courier.sale_type Required Required Required N/A
ship_to.ukims_number Required for B2B shipments unless ship_from.ukims number isn't entered N/A Required for B2B shipments unless ship_from.ukims number isn't entered N/A
ship_from.ukims_number Required for B2B shipments  N/A Required for B2B shipments  N/A
ship_to.eori_number Required for B2B if ship_to.ukims number is entered for B2B N/A It is required for B2B if ship_to.ukims number is entered for B2B N/A
ship_from.eori_number Required for B2B N/A Required for B2B N/A
item.sku Required Required Required Required
item.quantity Required Required Required Required
item.description Required Required Required Required
item.value Required Required Required Required
item.currency Required Required Required Required
item.origin_country Required Required Required Optional
item.hs_code Required Required Required Optional
item.weight Required Required Required Optional
courier.export_reason N/A N/A N/A N/A
courier.sender_deferment_account N/A N/A N/A N/A
Note Either ship_to UKIMS or ship_from.ukims number is required for B2B shipments UKIMS and EORI numbers should be configured on Whistl interface Either ship_to UKIMS or ship_from.ukims number is required for B2B shipments
Fields/Courier Evri
Corporate
Hermes
Corporate
DPD UK DPD Local DPD Ireland
Supported Sales Types: B2C / C2C / C2B B2C / C2C / C2B B2B, B2C, C2C B2B, B2C, C2C B2B, B2C, C2C
courier.sale_type N/A N/A Required Required Required
ship_to.ukims_number N/A N/A Required for B2B shipments unless ship_from.ukims number isn't entered Required for B2B shipments unless ship_from.ukims number isn't entered Required for B2B shipments unless ship_from.ukims number isn't entered
ship_from.ukims_number N/A N/A Required for B2B shipments if not at-risk goods Required for B2B shipments if not at-risk goods Required for B2B shipments if not at-risk goods
ship_from.vat_number N/A N/A Required for B2B At Risk Goods Required for B2B At Risk Goods Required for B2B At Risk Goods
ship_to.vat_number N/A N/A Required for B2B At Risk Goods if ship_from.vat_number not entered Required for B2B At Risk Goods if ship_from.vat_number not entered Required for B2B At Risk Goods if ship_from.vat_number not entered
ship_to.eori_number N/A N/A Required for B2B if ship_to.ukims number is entered for B2B Required for B2B if ship_to.ukims number is entered for B2B Required for B2B if ship_to.ukims number is entered for B2B
ship_from.eori_number N/A N/A Required for B2B Required for B2B Required for B2B
item.sku Required Required Required Required Required
item.quantity Required Required Required Required Required
item.description Required Required Required Required Required
item.value Required Required Required Required Required
item.currency Required Required Required Required Required
item.origin_country Required Required Optional for B2C&C2C but Required for B2B Optional for B2C&C2C but Required for B2B Optional for B2C&C2C but Required for B2B
item.hs_code Required Required Optional for B2C&C2C but Required for B2B Optional for B2C&C2C but Required for B2B Optional for B2C&C2C but Required for B2B
item.weight Required Required Required Required Required
courier.at_risk N/A N/A Required Required Required
courier.export_reason N/A N/A N/A
TBD
courier.sender_deferment_account N/A N/A N/A
TBD
Note



TBD
Fields/Courier RoyalMailIntersoft ProCarrier Hermes DHLParcelUKCloud
Supported Sales Types: B2B / B2C TBD B2C / C2C / C2B B2C / B2B / C2C / C2B
courier.sale_type Required TBD N/A Required
ship_to.ukims_number Required for B2B shipments unless ship_from.ukims number isn't entered TBD N/A Required for C2B. Required for B2B if ship_from.ukims is not entered
ship_from.ukims_number Required for B2B shipments  TBD N/A Required for B2B
ship_to.eori_number Required for B2B if ship_to.ukims number is entered for B2B TBD N/A Required for C2B. Required if ship_to.ukims is entered
ship_from.eori_number Required for B2B TBD N/A Required for B2B
item.sku Required TBD Required Required
item.quantity Required TBD Required Required
item.description Required TBD Required Required
item.value Required TBD Required Required
item.currency Required TBD Required Required
item.origin_country Required TBD Required Optional
item.hs_code Required TBD Optional Optional
item.weight Required TBD Required Required
courier.export_reason N/A TBD N/A Required for B2B
courier.sender_deferment_account N/A TBD N/A Required for B2B
Note Either ship_to UKIMS or ship_from.ukims number is required for B2B shipments TBD B2B isn't supported by Evri so there is no need for UKIMS and EORI Number
Fields/Courier DHLParcelUK SecuredMail Fedex DPDC2C
Supported Sales Types: B2C / B2B / C2C / C2B B2B / B2C / C2B TBD TBD
courier.sale_type Required Required TBD TBD
ship_to.ukims_number Required for C2B. Required for B2B if ship_from.ukims is not entered Required for B2B shipments unless ship_from.ukims number isn't entered or Required for C2B shipments TBD TBD
ship_from.ukims_number Required for B2B Required for B2B shipments  TBD TBD
ship_to.eori_number Required for C2B. Required if ship_to.ukims is entered Not Required TBD TBD
ship_from.eori_number Required for B2B Not Required TBD TBD
item.sku Required Required TBD TBD
item.quantity Required Required TBD TBD
item.description Required Required TBD TBD
item.value Required Required TBD TBD
item.currency Required Required TBD TBD
item.origin_country Optional Required TBD TBD
item.hs_code Required Required TBD TBD
item.weight Required Required TBD TBD
parcel.dim_width Not Required Required TBD TBD
dim_height Not Required Required TBD TBD
dim_length Not Required Required TBD TBD
dim_unit Not Required Required TBD TBD
courier.export_reason Required for B2B Required TBD TBD
courier.sender_deferment_account Required for B2B N/A TBD TBD
Note     TBD TBD
Fields/Courier Huxloe DGInternational CollectPlus PPI
Supported Sales Types: TBD TBD TBD TBD
courier.sale_type TBD TBD TBD TBD
ship_to.ukims_number TBD TBD TBD TBD
ship_from.ukims_number TBD TBD TBD TBD
ship_to.eori_number TBD TBD TBD TBD
ship_from.eori_number TBD TBD TBD TBD
item.sku TBD TBD TBD TBD
item.quantity TBD TBD TBD TBD
item.description TBD TBD TBD TBD
item.value TBD TBD TBD TBD
item.currency TBD TBD TBD TBD
item.origin_country TBD TBD TBD TBD
item.hs_code TBD TBD TBD TBD
item.weight TBD TBD TBD TBD
courier.export_reason TBD TBD TBD TBD
courier.sender_deferment_account TBD TBD TBD TBD
Note TBD TBD TBD TBD
Fields/Courier Starlinks UPS ArrowXL ParcelHub
Supported Sales Types: TBD TBD TBD TBD
courier.sale_type TBD TBD TBD TBD
ship_to.ukims_number TBD TBD TBD TBD
ship_from.ukims_number TBD TBD TBD TBD
ship_to.eori_number TBD TBD TBD TBD
ship_from.eori_number TBD TBD TBD TBD
item.sku TBD TBD TBD TBD
item.quantity TBD TBD TBD TBD
item.description TBD TBD TBD TBD
item.value TBD TBD TBD TBD
item.currency TBD TBD TBD TBD
item.origin_country TBD TBD TBD TBD
item.hs_code TBD TBD TBD TBD
item.weight TBD TBD TBD TBD
courier.export_reason TBD TBD TBD TBD
courier.sender_deferment_account TBD TBD TBD TBD
Note TBD TBD TBD TBD
Fields/Courier DxExpress
Supported Sales Types: TBD
courier.sale_type TBD
ship_to.ukims_number TBD
ship_from.ukims_number TBD
ship_to.eori_number TBD
ship_from.eori_number TBD
item.sku TBD
item.quantity TBD
item.description TBD
item.value TBD
item.currency TBD
item.origin_country TBD
item.hs_code TBD
item.weight TBD
courier.export_reason TBD
courier.sender_deferment_account TBD
Note TBD