# 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-5021-44/art-1`
- Text in force since: 2026-10-01
- URL (the page that opens at this provision): https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/415AC0000000057/suppl-5021-44/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-5021-44/art-1 · https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-1 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/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-5021-44/art-1/par-1 · https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-1/par-1 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/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**  附則第九条から第十一条までの規定　公布の日
  <sup>suppl-5021-44/art-1/par-1/item-1 · https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-1/par-1/item-1 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/art-1/par-1/item-1</sup>
  the provisions of Articles 9 through 11 of the Supplementary Provisions: the date of promulgation;
  <sup>machine translation, not official</sup>

  **二**  第一条中個人情報の保護に関する法律第八十四条を削り、同法第八十三条を同法第八十四条とし、同法第八十二条の次に一条を加える改正規定、同法第八十五条の改正規定、同法第八十六条の改正規定及び同法第八十七条の改正規定、第二条中行政手続における特定の個人を識別するための番号の利用等に関する法律第五十七条の改正規定並びに第三条中医療分野の研究開発に資するための匿名加工医療情報に関する法律第四十六条の改正規定、同法第四十六条の次に一条を加える改正規定、同法第四十八条の改正規定及び同法第四十九条の改正規定並びに附則第八条の規定　公布の日から起算して六月を経過した日
  <sup>suppl-5021-44/art-1/par-1/item-2 · https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-1/par-1/item-2 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/art-1/par-1/item-2</sup>
  the provisions of Article 1 deleting Article 84 of the Act on the Protection of Personal Information, renumbering Article 83 of that Act as Article 84 of that Act, and adding one Article after Article 82 of that Act, the provisions amending Article 85 of that Act, the provisions amending Article 86 of that Act, and the provisions amending Article 87 of that Act; the provisions of Article 2 amending Article 57 of the Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures; and the provisions of Article 3 amending Article 46 of the Act on Anonymously Processed Medical Information to Contribute to Research and Development in the Medical Field, the provisions adding one Article after Article 46 of that Act, the provisions amending Article 48 of that Act, and the provisions amending Article 49 of that Act, and the provisions of Article 8 of the Supplementary Provisions: the day on which six months have elapsed from the date of promulgation;
  <sup>machine translation, not official</sup>

  **三**  次条及び附則第七条の規定　公布の日から起算して一年六月を超えない範囲内において政令で定める日
  <sup>suppl-5021-44/art-1/par-1/item-3 · https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-1/par-1/item-3 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/art-1/par-1/item-3</sup>
  the provisions of the following Article and Article 7 of the Supplementary Provisions: the date specified by Cabinet Order within a period not exceeding one year and six months from the date of promulgation.
  <sup>machine translation, not official</sup>

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## Cites
- suppl-5021-44/art-1/par-1/item-1: 附則第九条から第十一条まで → 個人情報の保護に関する法律 附則第九条 (Supplementary Provisions, Article 9), suppl-5021-44/art-9 — https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-9 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/art-9
- suppl-5021-44/art-1/par-1/item-2: 附則第八条 → 個人情報の保護に関する法律 附則第八条 (Supplementary Provisions, Article 8), suppl-5021-44/art-8 — https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-8 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/art-8
- suppl-5021-44/art-1/par-1/item-3: 次条 → 個人情報の保護に関する法律 附則第二条 (Supplementary Provisions, Article 2), suppl-5021-44/art-2 — https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-2 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/art-2

## Cited by

1 provision cites this one. No official source publishes this direction.

- 個人情報の保護に関する法律 附則第八条第一項（罰則の適用に関する経過措置） — https://japanlaw.org/en/personal-information-protection-act/suppl-5021-44/art-8/par-1 · https://japanlaw.org/l/415AC0000000057/suppl-5021-44/art-8/par-1

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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-20261010T184447-002, translated 2026-10-11
- claude-opus-5-5 — Machine translation, batch personal-information-protection-act-20261010T184447-003, 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
