CDSSG06050 | Step-By-Step Guide, Step 1 - CDS Declaration Category and Data Set: Country of Dispatch or Destination
From HM Revenue & Customs · Customs CDS Volume 3 Tariff, Step-by-Step Guide
For goods being imported to or removed from Northern Ireland:
Goods being entered to certain customs procedures that are being dispatched to or from an EU Special Fiscal Territory (e.g., Canary Islands) or Territory with which the EU has formed a Customs Union (e.g., Turkey) may need to use a different declaration category.
An H5 Declaration Category is used to declare goods:
Being dispatched from an EU Special Fiscal Territory or Territory with which the EU has formed a Customs Union
Being entered using a standard declaration or supplementary declaration
To Requested Procedures 07, 40, 42 and 61. (Please see section CDSSG09000 for more details on these codes)
A B4 Declaration Category is used to declare goods:
Being dispatched to an EU Special Fiscal Territory or Territory with which the EU has formed a Customs Union
Being declared using a standard declaration or supplementary declaration
To Requested Procedures 10, 23 and 31. (Please see section CDSSG09000 for more details on these codes)
For goods being imported to or removed from Great Britain:
Goods being entered to certain customs procedures that are being dispatched to or from a UK Special Fiscal Territory (Channel Islands) may need to use a different declaration category.
An H5 Declaration Category is used to declare goods:
Being dispatched from a UK Special Fiscal Territory
Being entered using a standard declaration or supplementary declaration
To Requested Procedures 07, 40, 42 and 61. (Please see section CDSSG09000 for more details on these codes)
A B4 Declaration Category is used to declare goods:
Being dispatched to a UK Special Fiscal Territory
Being declared using a standard declaration or supplementary declaration
To Requested Procedures 10, 23 and 31. (Please see section CDSSG09000 for more details on these codes)