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Last reviewed: 6 July 2026
V55/5 form · Box 53
Vehicle Family Identification Number
What goes in box 53
Box 53 of the DVLA V55/5 form is for vehicle family identification number.
Take this from the Certificate of Conformity (if shown). Leave blank if it's not shown.
What to enter
| Field | Type | Required? |
|---|---|---|
Vehicle Family Identification Number Take this from the Certificate of Conformity (if shown). Leave blank if it's not shown. | text | Optional |
Source
This page is generated from the same field definitions our V55/5 tool validates against, mapped to the official DVLA guidance.
V355/5 official guidance (GOV.UK)v55-5.com is an independent service and is not affiliated with the DVLA.
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