# 道路交通法 / Road Traffic Act — 附　則 (Supplementary Provisions)

- Law: 道路交通法 (Road Traffic Act), 昭和三十五年法律第百五号
- English title "Road Traffic Act": 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: 附　則 (Supplementary Provisions) — address `suppl-4211-21`
- Text in force since: 2026-07-21
- URL (the page that opens at this provision): https://japanlaw.org/en/road-traffic-act/suppl-4211-21
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/335AC0000000105/suppl-4211-21
- 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.

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## 附　則 平成二一年四月二四日法律第二一号
<sup>suppl-4211-21 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21</sup>

### 第一条（施行期日） — (Effective Date)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>suppl-4211-21/art-1 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-1</sup>

**第一項**  この法律は、公布の日から起算して一年を超えない範囲内において政令で定める日から施行する。ただし、次の各号に掲げる規定は、当該各号に定める日から施行する。
<sup>suppl-4211-21/art-1/par-1 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-1/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-1/par-1</sup>
This Act comes into effect as of the day specified by Cabinet Order within a period not exceeding one year from the date of promulgation; provided, however, that the provisions set forth in the following items come into effect as of the days specified in those items.
<sup>machine translation, not official</sup>

  **一**  附則に一条を加える改正規定並びに次条から附則第四条までの規定及び附則第五条の規定（自動車運転代行業の業務の適正化に関する法律（平成十三年法律第五十七号）第十九条第一項の表第七十四条の三第一項の項の改正規定に係る部分に限る。）　公布の日
  <sup>suppl-4211-21/art-1/par-1/item-1 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-1/par-1/item-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-1/par-1/item-1</sup>
  the amending provisions that add one Article to the Supplementary Provisions, and provisions of the following Article through Article 4 of the Supplementary Provisions and provisions of Article 5 of the Supplementary Provisions (but only the part with a bearing on the provisions amending the section for Article 74-3, paragraph (1) in the Table referred to in Article 19, paragraph (1) of the Act on Regulation of Professional Designated Driving Services (Act No. 57 of 2001)):the day of promulgation; and
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **二**  第二十六条の付記の改正規定、第百八条の二十九第二項の改正規定、第百十九条第一項第一号の三の次に一号を加える改正規定及び第百二十条第一項第二号の改正規定　公布の日から起算して六月を超えない範囲内において政令で定める日
  <sup>suppl-4211-21/art-1/par-1/item-2 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-1/par-1/item-2 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-1/par-1/item-2</sup>
  provisions amending the Supplementary Note to Article 26, provisions amending Article 108-29, paragraph (2), amending provisions that add one item after Article 119, paragraph (1), item (i)-3, and provisions amending Article 120, paragraph (1), item (ii):within six months of promulgation, on the date that Cabinet Order prescribes.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

### 第二条（運転免許の拒否等に関する経過措置） — (Transitional Measures for Denial of Licenses and Other Such Measures)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>suppl-4211-21/art-2 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-2 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-2</sup>

**第一項**  前条第一号に掲げる改正規定の施行前にした行為を理由とする運転免許の拒否、保留、取消し若しくは効力の停止又は自動車等の運転の禁止については、なお従前の例による。
<sup>suppl-4211-21/art-2/par-1 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-2/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-2/par-1</sup>
Prior laws continue to govern denying, withholding, revoking, or suspending a person's driver's license or prohibiting a person from driving a motor vehicle or motorized bicycle based on conduct in which the person has engaged before the amending provisions set forth in item (i) of the preceding Article come into force.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  前条第一号に掲げる改正規定の施行前にした行為に対する罰則の適用については、なお従前の例による。
<sup>suppl-4211-21/art-2/par-2 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-2/par-2 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-2/par-2</sup>
Prior laws continue to govern the applicability of penal provisions to conduct in which a person engages before the amending provisions set forth in item (i) of the preceding Article come into force.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

### 第三条
<sup>suppl-4211-21/art-3 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-3 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-3</sup>

**第一項**  附則第一条各号に掲げる改正規定の施行前にした行為に対する反則行為の取扱いに関しては、それぞれなお従前の例による。
<sup>suppl-4211-21/art-3/par-1 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-3/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-3/par-1</sup>
Prior laws continue to govern the handling of violations as regards conduct in which a person engages before the amending provisions set forth in the items of Article 1 of the Supplementary Provisions come into force.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

### 第四条（その他の経過措置の政令への委任） — (Delegation of Other Transitional Measures to Cabinet Order)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>suppl-4211-21/art-4 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-4 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-4</sup>

**第一項**  前二条に定めるもののほか、この法律の施行に関し必要な経過措置（罰則に関する経過措置を含む。）は、政令で定める。
<sup>suppl-4211-21/art-4/par-1 · https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-4/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-4/par-1</sup>
Beyond as prescribed in the preceding two Articles, Cabinet Order provides for the necessary transitional measures to bring this Act into force (including transitional measures for penal provisions).
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- suppl-4211-21/art-1/par-1/item-1: 次条から附則第四条まで → 道路交通法 附則第二条 (Supplementary Provisions, Article 2), suppl-4211-21/art-2 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-2 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-2
- suppl-4211-21/art-1/par-1/item-1: 次条から附則第四条まで → 道路交通法 附則第三条 (Supplementary Provisions, Article 3), suppl-4211-21/art-3 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-3 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-3
- suppl-4211-21/art-1/par-1/item-1: 次条から附則第四条まで → 道路交通法 附則第四条 (Supplementary Provisions, Article 4), suppl-4211-21/art-4 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-4 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-4
- suppl-4211-21/art-2/par-1: 前条第一号 → 道路交通法 附則第一条第一項第一号 (Supplementary Provisions, Article 1, paragraph (1), item (i)), suppl-4211-21/art-1/par-1/item-1 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-1/par-1/item-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-1/par-1/item-1
- suppl-4211-21/art-2/par-2: 前条第一号 → 道路交通法 附則第一条第一項第一号 (Supplementary Provisions, Article 1, paragraph (1), item (i)), suppl-4211-21/art-1/par-1/item-1 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-1/par-1/item-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-1/par-1/item-1
- suppl-4211-21/art-3/par-1: 附則第一条 → 道路交通法 附則第一条 (Supplementary Provisions, Article 1), suppl-4211-21/art-1 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-1
- suppl-4211-21/art-4/par-1: 前二条 → 道路交通法 附則第二条 (Supplementary Provisions, Article 2), suppl-4211-21/art-2 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-2 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-2
- suppl-4211-21/art-4/par-1: 前二条 → 道路交通法 附則第三条 (Supplementary Provisions, Article 3), suppl-4211-21/art-3 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-3 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-3

## Cited by

5 provisions cite this one. No official source publishes this direction.

- 道路交通法 附則第一条第一項第一号（施行期日） — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-1/par-1/item-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-1/par-1/item-1
- 道路交通法 附則第二条第一項（運転免許の拒否等に関する経過措置） — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-2/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-2/par-1
- 道路交通法 附則第二条第二項（運転免許の拒否等に関する経過措置） — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-2/par-2 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-2/par-2
- 道路交通法 附則第三条第一項 — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-3/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-3/par-1
- 道路交通法 附則第四条第一項（その他の経過措置の政令への委任） — https://japanlaw.org/en/road-traffic-act/suppl-4211-21/art-4/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-4211-21/art-4/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 道路交通法 — the text in force from 2026-07-21 (https://laws.e-gov.go.jp/law/335AC0000000105/20260721_508AC0000000052), retrieved 2026-10-13
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Road Traffic Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/2962/tb), retrieved 2026-10-13
- claude-sonnet-5-5 — Machine translation, batch road-traffic-act-20261013T074321-018, translated 2026-10-13
- This site's parser, version 190 — 道路交通法 — structure, counts, cross-references and defined terms, computed 2026-10-13
