# 個人情報の保護に関する法律 / Act on the Protection of Personal Information — 第一条 (Supplementary Provisions, Article 1)

- Law: 個人情報の保護に関する法律 (Act on the Protection of Personal Information), 平成十五年法律第五十七号
- English title "Act on the Protection of Personal Information": 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-5051-47/art-1`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/personal-information-protection-act/suppl-5051-47/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/415AC0000000057/suppl-5051-47/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-5051-47/art-1 · https://japanlaw.org/ja/personal-information-protection-act/suppl-5051-47/art-1 · https://japanlaw.org/l/415AC0000000057/suppl-5051-47/art-1</sup>

**第一項**  この法律は、国立健康危機管理研究機構法（令和五年法律第四十六号）の施行の日（以下「施行日」という。）から施行する。ただし、附則第五条の規定は、公布の日から施行する。
<sup>suppl-5051-47/art-1/par-1 · https://japanlaw.org/ja/personal-information-protection-act/suppl-5051-47/art-1/par-1 · https://japanlaw.org/l/415AC0000000057/suppl-5051-47/art-1/par-1</sup>
This Act comes into effect on the date on which the Act on Japan Institute for Health Security (Act No. 46 of 2023) comes into effect (hereinafter referred to as "the Effective Date"); provided, however, that the provisions of Article 5 of the Supplementary Provisions come into effect on the date of promulgation.
<sup>machine translation, not official</sup>

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## Cites
- suppl-5051-47/art-1/par-1: 附則第五条 → 個人情報の保護に関する法律 附則第五条 (Supplementary Provisions, Article 5), suppl-5051-47/art-5 — https://japanlaw.org/ja/personal-information-protection-act/suppl-5051-47/art-5 · https://japanlaw.org/l/415AC0000000057/suppl-5051-47/art-5

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 個人情報の保護に関する法律 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/415AC0000000057/20261001_507AC0000000070), retrieved 2026-10-10
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on the Protection of Personal Information — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4241/tb), retrieved 2026-10-10
- claude-opus-5-5 — Machine translation, batch personal-information-protection-act-20261010T184447-004, translated 2026-10-11
- This site's parser, version 190 — 個人情報の保護に関する法律 — structure, counts, cross-references and defined terms, computed 2026-10-10