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

From 2026-04-01 the 環境性能割 (acquisition levy) is abolished and 自動車税種別割 / 軽自動車税種別割 are renamed 自動車税 / 軽自動車税

2026-04-01 date

from 2026-04-01 · verified 2026-10-24 against the official source · next expected change 2027-04-01

（1）環境性能割の廃止 自動車税環境性能割及び軽自動車税環境性能割は、令和８年３月 31 日をもって廃止する。これに伴い、現行の自動車税種別割を自動車税とし、現行の軽自動車税種別割を軽自動車税とするなど、所要の措置を講ずる。
key
jp/auto-tax/renamed-2026-04
value
2026-04-01 date
period
—
effective
2026-04-01 to date
source
https://www.mlit.go.jp/jidosha/content/001993968.pdf
verified
2026-10-24 — fresh (13 days ago; next check by 2026-11-28)
next expected change
2027-04-01 (annual: a fixed day each year)
source checked
2026-11-02 (the newest day the automated check fetched the source page)
scope
自家用 passenger cars (3, 5 or 7 plates), annual amount charged to the owner on 1 April (月割 in the year of registration), standard rate as levied by Tokyo; bands are by 総排気量. The column depends on the first-registration date (on/after or before 2019-10-01). Called 自動車税種別割 until 2026-03-31.
hash
sha256:727a3d575a24914c7481762276cf59c03667a3addb117af17c5eaaa9b89cb829
signature
EdDSA, key db-2026-10 — keys

As JSON

curl -s https://databutler.dev/f/jp/auto-tax/renamed-2026-04?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/jp/auto-tax/renamed-2026-04

{
  "protocol": "verified-facts/0.3",
  "key": "jp/auto-tax/renamed-2026-04",
  "label": "From 2026-04-01 the 環境性能割 (acquisition levy) is abolished and 自動車税種別割 / 軽自動車税種別割 are renamed 自動車税 / 軽自動車税",
  "value": "2026-04-01",
  "unit": "date",
  "period": null,
  "effectiveFrom": "2026-04-01",
  "effectiveTo": null,
  "source": "https://www.mlit.go.jp/jidosha/content/001993968.pdf",
  "quote": "（1）環境性能割の廃止 自動車税環境性能割及び軽自動車税環境性能割は、令和８年３月 31 日をもって廃止する。これに伴い、現行の自動車税種別割を自動車税とし、現行の軽自動車税種別割を軽自動車税とするなど、所要の措置を講ずる。",
  "verifiedDate": "2026-10-24",
  "nextScheduledRefresh": "2026-11-28",
  "changeCadence": "annual",
  "nextExpectedChange": "2027-04-01",
  "sourceCheckedAt": "2026-11-02",
  "status": "fresh",
  "ageDays": 13,
  "maxAgeDays": null,
  "scope": "自家用 passenger cars (3, 5 or 7 plates), annual amount charged to the owner on 1 April (月割 in the year of registration), standard rate as levied by Tokyo; bands are by 総排気量. The column depends on the first-registration date (on/after or before 2019-10-01). Called 自動車税種別割 until 2026-03-31.",
  "hash": "sha256:727a3d575a24914c7481762276cf59c03667a3addb117af17c5eaaa9b89cb829",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..yp5j5LcAYdsIsAqftrLdkjsKtEx0f-s6a-5ZtOgIhuZhDoELzUj18mS3ybBbS_kHQOoZT7MW9lDYPE4imG0_Ag",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/jp/auto-tax/renamed-2026-04",
    "text": "databutler.dev, verified 2026-10-24 against https://www.mlit.go.jp/jidosha/content/001993968.pdf"
  }
}