# 道路交通法 / Road Traffic Act — 第一条 (Supplementary Provisions, Article 1)

- 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: 第一条 (Supplementary Provisions, Article 1)（施行期日） — address `suppl-5041-32/art-1`
- Text in force since: 2026-07-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-1
- 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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### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-5041-32/art-1 · https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-1 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/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-5041-32/art-1/par-1 · https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-1/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/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**  附則第九条の規定　公布の日
  <sup>suppl-5041-32/art-1/par-1/item-1 · https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-1/par-1/item-1 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-1/par-1/item-1</sup>
  the provisions of Article 9 of the Supplementary Provisions: the date of promulgation;
  <sup>machine translation, not official</sup>

  **二**  第一条並びに附則第六条、第十一条及び第十五条の規定　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-5041-32/art-1/par-1/item-2 · https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-1/par-1/item-2 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-1/par-1/item-2</sup>
  Article 1 and Articles 6, 11 and 15 of the Supplementary Provisions: the date specified by Cabinet Order within a period not exceeding six months from the date of promulgation;
  <sup>machine translation, not official</sup>

  **三**  第三条並びに附則第四条、第十二条（土砂等を運搬する大型自動車による交通事故の防止等に関する特別措置法（昭和四十二年法律第百三十一号）第七条第一項第二号の改正規定（「第百十八条第一項第三号」を「第百十八条第一項第五号」に改める部分に限る。）に限る。）及び第十四条の規定　公布の日から起算して二年を超えない範囲内において政令で定める日
  <sup>suppl-5041-32/art-1/par-1/item-3 · https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-1/par-1/item-3 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-1/par-1/item-3</sup>
  Article 3, and Article 4, Article 12 (limited to the provision amending Article 7, paragraph (1), item (ii) of the Act on Special Measures concerning Prevention of Traffic Accident Caused by Large-Sized Automobiles Carrying Earth, Sand and Others (Act No. 131 of 1967) (limited to the part replacing "Article 118, paragraph (1), item (iii)" with "Article 118, paragraph (1), item (v)")) and Article 14 of the Supplementary Provisions: the date specified by Cabinet Order within a period not exceeding two years from the date of promulgation;
  <sup>machine translation, not official</sup>

  **四**  第四条並びに附則第五条、第十条及び第十三条の規定　公布の日から起算して三年を超えない範囲内において政令で定める日
  <sup>suppl-5041-32/art-1/par-1/item-4 · https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-1/par-1/item-4 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-1/par-1/item-4</sup>
  Article 4, and Articles 5, 10 and 13 of the Supplementary Provisions: the date specified by Cabinet Order within a period not exceeding three years from the date of promulgation.
  <sup>machine translation, not official</sup>

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## Cites
- suppl-5041-32/art-1/par-1/item-1: 附則第九条 → 道路交通法 附則第九条 (Supplementary Provisions, Article 9), suppl-5041-32/art-9 — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-9 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-9
- suppl-5041-32/art-1/par-1/item-2: 附則第六条 → 道路交通法 附則第六条 (Supplementary Provisions, Article 6), suppl-5041-32/art-6 — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-6 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-6
- suppl-5041-32/art-1/par-1/item-3: 附則第四条 → 道路交通法 附則第四条 (Supplementary Provisions, Article 4), suppl-5041-32/art-4 — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-4 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-4
- suppl-5041-32/art-1/par-1/item-4: 附則第五条 → 道路交通法 附則第五条 (Supplementary Provisions, Article 5), suppl-5041-32/art-5 — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-5 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-5

## Cited by

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

- 道路交通法 附則第三条第一項（免許の拒否等に関する経過措置） — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-3/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-3/par-1
- 道路交通法 附則第四条第一項（特定小型原動機付自転車運転者講習の受講命令に関する経過措置） — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-4/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-4/par-1
- 道路交通法 附則第五条第一項（免許証の保管等に関する経過措置） — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-5/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-5/par-1
- 道路交通法 附則第五条第二項（免許証の保管等に関する経過措置） — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-5/par-2 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-5/par-2
- 道路交通法 附則第六条第一項（罰則等に関する経過措置） — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-6/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-6/par-1
- 道路交通法 附則第七条第一項 — https://japanlaw.org/ja/road-traffic-act/suppl-5041-32/art-7/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5041-32/art-7/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-20261013T074321-020, 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
