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Reduction for kei EV, fuel-cell and natural-gas cars first given a number 2026-04-01 to 2028-03-31: about 75% off, for the following fiscal year's tax only

概ね75%軽減（翌年度分） rule

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

軽自動車税のグリーン化特例の概要 ○軽課 〔適用期間〕 ･令和８年４月１日～令和10年３月31日 〔適用内容〕 ･適用期間中に初めて車両番号の指定を受ける減税対象車（三輪以上の軽自動車）を取得する場合に限り、当該年度の翌年度分について特例措置が適用 … 乗用車 ・電気自動車 ・燃料電池自動車 ・天然ガス自動車 … 概ね75%軽減
key
jp/kei-tax/green-reduction-rule
value
概ね75%軽減（翌年度分） rule
period
—
effective
2026-04-01 to 2028-03-31
source
https://www.mlit.go.jp/jidosha/content/001993314.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
四輪以上の軽自動車 (660 cc or less), 自家用 乗用, standard rate (標準税率; 制限税率 1.5×), charged to the owner on 1 April with no 月割. The rate depends on when the vehicle first received its number (初度検査年月): before or from 2015-04-01, and 13 years after it the surcharge rate. Called 軽自動車税種別割 until 2026-03-31.
hash
sha256:eff5f81d0f84685b316c678043343b5e2d92c5e5b772139627e110450ea63c44
signature
EdDSA, key db-2026-10 — keys

As JSON

curl -s https://databutler.dev/f/jp/kei-tax/green-reduction-rule?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/jp/kei-tax/green-reduction-rule

{
  "protocol": "verified-facts/0.3",
  "key": "jp/kei-tax/green-reduction-rule",
  "label": "Reduction for kei EV, fuel-cell and natural-gas cars first given a number 2026-04-01 to 2028-03-31: about 75% off, for the following fiscal year's tax only",
  "value": "概ね75%軽減（翌年度分）",
  "unit": "rule",
  "period": null,
  "effectiveFrom": "2026-04-01",
  "effectiveTo": "2028-03-31",
  "source": "https://www.mlit.go.jp/jidosha/content/001993314.pdf",
  "quote": "軽自動車税のグリーン化特例の概要 ○軽課 〔適用期間〕 ･令和８年４月１日～令和10年３月31日 〔適用内容〕 ･適用期間中に初めて車両番号の指定を受ける減税対象車（三輪以上の軽自動車）を取得する場合に限り、当該年度の翌年度分について特例措置が適用 … 乗用車 ・電気自動車 ・燃料電池自動車 ・天然ガス自動車 … 概ね75%軽減",
  "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": "四輪以上の軽自動車 (660 cc or less), 自家用 乗用, standard rate (標準税率; 制限税率 1.5×), charged to the owner on 1 April with no 月割. The rate depends on when the vehicle first received its number (初度検査年月): before or from 2015-04-01, and 13 years after it the surcharge rate. Called 軽自動車税種別割 until 2026-03-31.",
  "hash": "sha256:eff5f81d0f84685b316c678043343b5e2d92c5e5b772139627e110450ea63c44",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..NqYhHIPhRad-J4rsgcT1qihVBPU4lKlz85NdHSnowYjo6JDuMlD_Lb97IAkEkFTn0ENVdDzD1Qu7dzEVYHRdAw",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/jp/kei-tax/green-reduction-rule",
    "text": "databutler.dev, verified 2026-10-24 against https://www.mlit.go.jp/jidosha/content/001993314.pdf"
  }
}