# 道路交通法 / Road Traffic Act — 第十五条の四 (Article 15-4)

- 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: 第十五条の四 (Article 15-4)（届出番号等の表示義務） — address `art-15-4`
- Text in force since: 2026-07-21
- URL (the page that opens at this provision): https://japanlaw.org/en/road-traffic-act/art-15-4
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/335AC0000000105/art-15-4
- 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.

---

### 第十五条の四（届出番号等の表示義務） — Obligation to Display Notification Number or Other Code
<sup>caption: machine translation, not official</sup>
<sup>art-15-4 · https://japanlaw.org/en/road-traffic-act/art-15-4 · https://japanlaw.org/l/335AC0000000105/art-15-4</sup>

**第一項**  前条第一項前段の規定による届出をした遠隔操作型小型車の使用者は、内閣府令で定めるところにより、同条第三項の規定により通知された届出番号等を遠隔操作型小型車の見やすい箇所に表示しなければならない。
<sup>art-15-4/par-1 · https://japanlaw.org/en/road-traffic-act/art-15-4/par-1 · https://japanlaw.org/l/335AC0000000105/art-15-4/par-1</sup>
A user of a remotely operated small vehicle who has made a notification under the first sentence of paragraph (1) of the preceding Article must, pursuant to Cabinet Office Order, display the notification number or other code notified under paragraph (3) of that Article in a conspicuous location on the remotely operated small vehicle.
<sup>machine translation, not official</sup>

---

## Cites
- art-15-4/par-1: 前条第一項 → 道路交通法 第十五条の三第一項 (Article 15-3, paragraph (1)), art-15-3/par-1 — https://japanlaw.org/en/road-traffic-act/art-15-3/par-1 · https://japanlaw.org/l/335AC0000000105/art-15-3/par-1
- art-15-4/par-1: 同条第三項 → 道路交通法 第十五条の三第三項 (Article 15-3, paragraph (3)), art-15-3/par-3 — https://japanlaw.org/en/road-traffic-act/art-15-3/par-3 · https://japanlaw.org/l/335AC0000000105/art-15-3/par-3

## Cited by

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

- 道路交通法 第十五条の三第一項（遠隔操作による通行の届出） — https://japanlaw.org/en/road-traffic-act/art-15-3/par-1 · https://japanlaw.org/l/335AC0000000105/art-15-3/par-1
- 道路交通法 第十五条の三第三項（遠隔操作による通行の届出） — https://japanlaw.org/en/road-traffic-act/art-15-3/par-3 · https://japanlaw.org/l/335AC0000000105/art-15-3/par-3

---

## 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-20261013T074321-002, 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
