# 自動車損害賠償保障法 / Act on Securing Compensation for Automobile Accidents — 第二十条 (Article 20) - Law: 自動車損害賠償保障法 (Act on Securing Compensation for Automobile Accidents), 昭和三十年法律第九十七号 - English title "Act on Securing Compensation for Automobile Accidents": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第二十条 (Article 20)（危険に関する重要な事項） — address `art-20` - Text in force since: 2026-04-01 - URL (the page that opens at this provision): https://japanlaw.org/en/automobile-accident-compensation-act/art-20 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/330AC0000000097/art-20 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第二十条（危険に関する重要な事項） — (Material Information Regarding Risk) caption: Ministry of Justice translation — Japanese Law Translation Database System art-20 · https://japanlaw.org/en/automobile-accident-compensation-act/art-20 · https://japanlaw.org/l/330AC0000000097/art-20 **第一項** 保険法第四条に規定する重要な事項は、責任保険の契約にあつては、次のとおりとする。 art-20/par-1 · https://japanlaw.org/en/automobile-accident-compensation-act/art-20/par-1 · https://japanlaw.org/l/330AC0000000097/art-20/par-1 As regards a contract for liability insurance, the material information provided for in Article 4 of the Insurance Act is as follows: Ministry of Justice translation — Japanese Law Translation Database System **一** 道路運送車両法の規定による自動車登録番号若しくは車両番号、地方税法（昭和二十五年法律第二百二十六号）第四百五十一条第三項（同法第一条第二項において準用する場合を含む。）に規定する標識の番号又は道路交通に関する条約の規定による登録番号（これらが存しない場合にあつては、車台番号） art-20/par-1/item-1 · https://japanlaw.org/en/automobile-accident-compensation-act/art-20/par-1/item-1 · https://japanlaw.org/l/330AC0000000097/art-20/par-1/item-1 the automobile registration number or vehicle number as under the Road Transport Vehicle Act; the license plate number provided for in Article 451, paragraph (3) of the Local Tax Act (Act No. 226 of 1950) (including as applied mutatis mutandis pursuant to Article 1, paragraph (2) of that Act); or the registration number as under the Convention on Road Traffic (or, if there is no such number, the vehicle identification number (VIN)); machine translation, not official **二** 政令で定める自動車の種別 art-20/par-1/item-2 · https://japanlaw.org/en/automobile-accident-compensation-act/art-20/par-1/item-2 · https://japanlaw.org/l/330AC0000000097/art-20/par-1/item-2 the type of automobile, as prescribed by Cabinet Order. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-20/par-1: 保険法第四条 → e-Gov law 420AC0000000056, 第四条 (Article 4), art-4 — not held in this collection - art-20/par-1/item-1: 地方税法（昭和二十五年法律第二百二十六号）第四百五十一条第三項 → e-Gov law 325AC0000000226, 第四百五十一条第三項 (Article 451, paragraph (3)), art-451/par-3 — not held in this collection - art-20/par-1/item-1: 同法第一条第二項 → e-Gov law 325AC0000000226, 第一条第二項 (Article 1, paragraph (2)), art-1/par-2 — not held in this collection ## Cited by 2 provisions cite this one. No official source publishes this direction. - 自動車損害賠償保障法 第二十三条の二第一項（報告及び立入検査） — https://japanlaw.org/en/automobile-accident-compensation-act/art-23-2/par-1 · https://japanlaw.org/l/330AC0000000097/art-23-2/par-1 - 自動車損害賠償保障法 第二十三条の三第一項（責任保険の契約に関する規定等の準用） — https://japanlaw.org/en/automobile-accident-compensation-act/art-23-3/par-1 · https://japanlaw.org/l/330AC0000000097/art-23-3/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 自動車損害賠償保障法 — the text in force from 2026-04-01 (https://laws.e-gov.go.jp/law/330AC0000000097/20260401_508AC0000000002), retrieved 2026-10-13 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Securing Compensation for Automobile Accidents — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3135/tb), retrieved 2026-10-13 - claude-sonnet-5-5 — Machine translation, batch automobile-accident-compensation-act-20261013T115725-001, translated 2026-10-13 - This site's parser, version 189 — 自動車損害賠償保障法 — structure, counts, cross-references and defined terms, computed 2026-10-13