databutler.dev · /facts — every fact · Verified Facts protocol · /.well-known/facts.json · /changes

SORN reference numbers

11-digit V5C number or 16-digit tax reminder reference statement

standing figure · verified 2026-10-04 against the official source

11-digit number in your vehicle log book (V5C); 16-digit reference number on your vehicle tax reminder

key

uk/gov/vehicle-tax-sorn/sorn-reference

value

11-digit V5C number or 16-digit tax reminder reference statement

period

—

effective

— to date

source

https://www.gov.uk/make-a-sorn

verified

2026-10-04 — fresh (33 days ago; next check by 2026-11-03)

next expected change

none named (irregular: changed by statute or order on no fixed date)

source checked

2026-11-02 (the newest day the automated check fetched the source page)

scope

UK (DVLA); tax rates are in uk_vehicle_rules_lookup.

hash

sha256:4fabbcd1fdcb5918ae0d82c63012e5760dccf534d6d6eeadbe00625b7ddb2c11

signature

EdDSA, key db-2026-10 — keys

As JSON

curl -s https://databutler.dev/f/uk/gov/vehicle-tax-sorn/sorn-reference?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/uk/gov/vehicle-tax-sorn/sorn-reference

{
  "protocol": "verified-facts/0.3",
  "key": "uk/gov/vehicle-tax-sorn/sorn-reference",
  "aliases": [
    "uk/gov/vehicle-tax/sorn-reference",
    "uk/gov/car-tax/sorn-reference",
    "uk/gov/tax-vehicle/sorn-reference",
    "uk/gov/tax-a-vehicle/sorn-reference",
    "uk/gov/sorn/sorn-reference"
  ],
  "label": "SORN reference numbers",
  "value": "11-digit V5C number or 16-digit tax reminder reference",
  "unit": "statement",
  "period": null,
  "effectiveFrom": null,
  "effectiveTo": null,
  "source": "https://www.gov.uk/make-a-sorn",
  "quote": "11-digit number in your vehicle log book (V5C); 16-digit reference number on your vehicle tax reminder",
  "verifiedDate": "2026-10-04",
  "nextScheduledRefresh": "2026-11-03",
  "changeCadence": "irregular",
  "nextExpectedChange": null,
  "sourceCheckedAt": "2026-11-02",
  "status": "fresh",
  "ageDays": 33,
  "maxAgeDays": null,
  "scope": "UK (DVLA); tax rates are in uk_vehicle_rules_lookup.",
  "hash": "sha256:4fabbcd1fdcb5918ae0d82c63012e5760dccf534d6d6eeadbe00625b7ddb2c11",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..99mWQfa5ABaTi1NDlwDHCZefpwH0uXGClYqgR1v2dUariTfV8CCaMG4V7r-QyCFzJcFksZELhCNWqF78qYhVDA",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/uk/gov/vehicle-tax-sorn/sorn-reference",
    "text": "databutler.dev, verified 2026-10-04 against https://www.gov.uk/make-a-sorn"
  }
}