Appendix 24A: Final Supplementary Declaration (FSD) Data Set
Updated 8 July 2025
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The following table identifies the requirements for completion of the appropriate data elements on the Final Supplementary Declaration (FSD).
| Symbol | Symbols in the cells — Symbol description |
|---|---|
| A | Mandatory — data which the UK has opted to mandate as always required |
| C | Optional for economic operators — data that economic operators may decide to supply |
| D | Dependant on Customs declaration scenario e.g. Final Supplementary Declaration etc. |
| X | Data element required at the item level of the declaration of goods. |
| Y | Data element required at the header level of the declaration of goods. |
| Data Element (DE) number | Data Element (DE) name | Symbol | Note | |
|---|---|---|---|---|
| 1/1 | Declaration type | A | Y | No Note |
| 1/2 | Additional Declaration type | A | Y | No Note |
| 1/6 | Goods item number | A | X | No Note |
| 1/8 | Signature/Authentication | Not Required | Not Required | CDS user credentials replace signature |
| 1/9 | Total number of items | A | Y | No Note |
| 1/10 | Procedure | A | X | No Note |
| 1/11 | Additional Procedure | A | X | No Note |
| 2/1 | Simplified declaration/Previous documents | A | X, Y | No Note |
| 2/2 | Additional information (AI) | A | X | No Note |
| 2/4 | Reference number/UCR | C | X, Y | No Note |
| 2/5 | LRN | A | Y | No Note |
| 3/18 | Declarant identification no | A | Y | No Note |
| 3/20 | Representative identification no | D | Y | [12b] |
| 3/21 | Representative status code | D | Y | [12c] |
| 5/23 | Location of goods | A | Y | No Note |
For an explanation of each note in the table read the Declaration Category Data Sets reading notes.