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

Period of the current エコカー減税 (weight tax)

2026-05-01/2028-04-30 date range

from 2026-05-01 · verified 2026-10-24 against the official source · next expected change 2027-05-01

〔適用期間〕 ･令和８年５月1日～令和10年４月30日 〔適用内容〕 ･減税対象車両について、適用期間中に新車新規登録等を行った場合に限り、特例措置が適用（1回限り）
key
jp/weight-tax-eco/period
value
2026-05-01/2028-04-30 date range
period
—
effective
2026-05-01 to 2028-04-30
source
https://www.mlit.go.jp/jidosha/content/001884912.pdf
verified
2026-10-24 — fresh (13 days ago; next check by 2026-11-28)
next expected change
2027-05-01 (annual: a fixed day each year)
source checked
2026-11-02 (the newest day the automated check fetched the source page)
scope
Passenger cars. The reductions apply once, at new registration (新車新規登録等), during the period; at later continuing inspections cars meeting the eco requirements pay the 本則税率 (weight-tax/eco-rate-rule-at-inspection). Petrol/LPG/clean-diesel bands require 令和2年度燃費基準 achievement and the 平成30年 emissions condition.
hash
sha256:2a748a0957b83d8e16099c0491108f2ee843df29d8cd05daa01a6f717da670f1
signature
EdDSA, key db-2026-10 — keys

As JSON

curl -s https://databutler.dev/f/jp/weight-tax-eco/period?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/jp/weight-tax-eco/period

{
  "protocol": "verified-facts/0.3",
  "key": "jp/weight-tax-eco/period",
  "label": "Period of the current エコカー減税 (weight tax)",
  "value": "2026-05-01/2028-04-30",
  "unit": "date range",
  "period": null,
  "effectiveFrom": "2026-05-01",
  "effectiveTo": "2028-04-30",
  "source": "https://www.mlit.go.jp/jidosha/content/001884912.pdf",
  "quote": "〔適用期間〕 ･令和８年５月1日～令和10年４月30日 〔適用内容〕 ･減税対象車両について、適用期間中に新車新規登録等を行った場合に限り、特例措置が適用（1回限り）",
  "verifiedDate": "2026-10-24",
  "nextScheduledRefresh": "2026-11-28",
  "changeCadence": "annual",
  "nextExpectedChange": "2027-05-01",
  "sourceCheckedAt": "2026-11-02",
  "status": "fresh",
  "ageDays": 13,
  "maxAgeDays": null,
  "scope": "Passenger cars. The reductions apply once, at new registration (新車新規登録等), during the period; at later continuing inspections cars meeting the eco requirements pay the 本則税率 (weight-tax/eco-rate-rule-at-inspection). Petrol/LPG/clean-diesel bands require 令和2年度燃費基準 achievement and the 平成30年 emissions condition.",
  "hash": "sha256:2a748a0957b83d8e16099c0491108f2ee843df29d8cd05daa01a6f717da670f1",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..C226Fva9S72M4enZoPD9-jKk5yOyQZ4k9MLD_XGSGaq8IprSR0Kw_mpOtpbpUioNcekYy-6jTvWEwoOptHTuBw",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/jp/weight-tax-eco/period",
    "text": "databutler.dev, verified 2026-10-24 against https://www.mlit.go.jp/jidosha/content/001884912.pdf"
  }
}