# 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-5021-42/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-5021-42/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/335AC0000000105/suppl-5021-42/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-5021-42/art-1 · https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-1 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-1</sup>

**第一項**  この法律は、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-5021-42/art-1/par-1 · https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-1/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-1/par-1</sup>
This Act comes into effect as of the date specified by Cabinet Order within a period not exceeding 2 years from the date of promulgation; provided, however, that the provisions set forth in the following items come into effect as of the dates specified respectively in those items.
<sup>machine translation, not official</sup>

  **一**  第十七条の付記の改正規定、第二十四条の付記の改正規定、第二十六条の付記の改正規定、第二十六条の二の付記の改正規定、第二十八条の付記の改正規定、第五十二条の付記の改正規定、第五十四条の付記の改正規定、第七十条の付記の改正規定、第七十五条の四の付記の改正規定、第七十五条の八の付記の改正規定、第九十条第二項第三号の改正規定、第九十九条の二第四項第二号ハ及びニの改正規定、第百三条第二項第三号の改正規定、第百三条の二第一項第二号の改正規定、第百七条の五第二項第三号の改正規定、第百十七条の二の改正規定並びに第百十七条の二の二の改正規定並びに附則第三条及び第八条から第十一条までの規定　公布の日から起算して二十日を経過した日
  <sup>suppl-5021-42/art-1/par-1/item-1 · https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-1/par-1/item-1 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-1/par-1/item-1</sup>
  the provision amending the note appended to Article 17 of the Road Traffic Act, the provision amending the note appended to Article 24, the provision amending the note appended to Article 26, the provision amending the note appended to Article 26-2, the provision amending the note appended to Article 28, the provision amending the note appended to Article 52, the provision amending the note appended to Article 54, the provision amending the note appended to Article 70, the provision amending the note appended to Article 75-4, the provision amending the note appended to Article 75-8, the provision amending Article 90, paragraph (2), item (iii), the provisions amending Article 99-2, paragraph (4), item (ii), (c) and (d), the provision amending Article 103, paragraph (2), item (iii), the provision amending Article 103-2, paragraph (1), item (ii), the provision amending Article 107-5, paragraph (2), item (iii), the provision amending Article 117-2, and the provision amending Article 117-2-2, and the provisions of Article 3 and Articles 8 through 11 of the Supplementary Provisions: the day on which 20 days have elapsed from the date of promulgation
  <sup>machine translation, not official</sup>

  **二**  第二条第三項第二号の改正規定、第十七条第三項の改正規定、第四十四条の改正規定、第四十五条の二第一項及び第四十六条の改正規定、第四十九条の三第一項の改正規定、第四十九条の六の改正規定、第五十条の二の改正規定、第五十一条の前の見出しを削り、同条に見出しを付する改正規定、同条の改正規定、第五十一条の二を削る改正規定、第五十一条の二の二の改正規定、同条を第五十一条の二とする改正規定、第五十一条の四第一項の改正規定、第六十三条の三の改正規定、第七十一条第五号の四の改正規定、第七十一条の五第二項の改正規定、第七十二条の二第三項の改正規定、第七十五条第一項第七号の改正規定、第七十五条の八第二項の改正規定、第百八条の三の三の付記の改正規定、第百八条の七の付記、第百八条の十八の付記及び第百八条の三十一の付記の改正規定、第百十条の二第五項の改正規定、第百十七条の五の改正規定、第百十九条の二第一項第一号及び第百十九条の三第一項第一号の改正規定、第百二十一条第一項第九号の改正規定並びに別表第一の改正規定並びに次条並びに附則第六条、第七条、第十二条及び第十三条の規定　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-5021-42/art-1/par-1/item-2 · https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-1/par-1/item-2 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-1/par-1/item-2</sup>
  the provision amending Article 2, paragraph (3), item (ii) of the Road Traffic Act, the provision amending Article 17, paragraph (3), the provision amending Article 44, the provisions amending Article 45-2, paragraph (1) and Article 46, the provision amending Article 49-3, paragraph (1), the provision amending Article 49-6, the provision amending Article 50-2, the provision deleting the heading preceding Article 51 and adding a heading to that Article, the provision amending that Article, the provision deleting Article 51-2, the provision amending Article 51-2-2, the provision making that Article into Article 51-2, the provision amending Article 51-4, paragraph (1), the provision amending Article 63-3, the provision amending Article 71, item (v)-4, the provision amending Article 71-5, paragraph (2), the provision amending Article 72-2, paragraph (3), the provision amending Article 75, paragraph (1), item (vii), the provision amending Article 75-8, paragraph (2), the provision amending the note appended to Article 108-3-3, the provisions amending the notes appended to Articles 108-7, 108-18 and 108-31, the provision amending Article 110-2, paragraph (5), the provision amending Article 117-5, the provisions amending Article 119-2, paragraph (1), item (i) and Article 119-3, paragraph (1), item (i), the provision amending Article 121, paragraph (1), item (ix), and the provision amending Appended Table 1, and the provisions of the following Article and Articles 6, 7, 12 and 13 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>

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## Cites
- suppl-5021-42/art-1/par-1/item-1: 附則第三条 → 道路交通法 附則第三条 (Supplementary Provisions, Article 3), suppl-5021-42/art-3 — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-3 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-3
- suppl-5021-42/art-1/par-1/item-1: 第八条から第十一条まで → 道路交通法 附則第八条 (Supplementary Provisions, Article 8), suppl-5021-42/art-8 — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-8 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-8
- suppl-5021-42/art-1/par-1/item-2: 次条 → 道路交通法 附則第二条 (Supplementary Provisions, Article 2), suppl-5021-42/art-2 — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-2 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-2
- suppl-5021-42/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-5021-42/art-6 — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-6 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-6
- suppl-5021-42/art-1/par-1/item-2: 第七条 → 道路交通法 附則第七条 (Supplementary Provisions, Article 7), suppl-5021-42/art-7 — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-7 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-7

## Cited by

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

- 道路交通法 附則第二条第一項（調整規定） — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-2/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-2/par-1
- 道路交通法 附則第三条第一項（免許等に関する経過措置） — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-3/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-3/par-1
- 道路交通法 附則第六条第一項（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-5021-42/art-6/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-6/par-1
- 道路交通法 附則第七条第一項（罰則等に関する経過措置） — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-7/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-7/par-1
- 道路交通法 附則第八条第一項 — https://japanlaw.org/ja/road-traffic-act/suppl-5021-42/art-8/par-1 · https://japanlaw.org/l/335AC0000000105/suppl-5021-42/art-8/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-20261013T074321-019, 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
