# Changes to Japanese law on 17 January 2027

This is the Markdown twin of https://japanlaw.org/en/changes/2027-01-17. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp.

What changes on 17 January 2027 in 2 laws on this site: for each, the Act that amends it and the wording before and after, in Japanese and English.

- Act on the Protection of Personal Information (個人情報の保護に関する法律) — https://japanlaw.org/en/personal-information-protection-act
  - Amended by Act Partially Amending the Act on the Protection of Personal Information, etc. (Act No. 56 of 2026) (個人情報の保護に関する法律等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000056 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000056)
    What changes: https://japanlaw.org/en/personal-information-protection-act/amendments/20270117_508AC0000000056; the law as amended, in Markdown: https://japanlaw.org/md/en/personal-information-protection-act/amendments/20270117_508AC0000000056/text
- Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (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) — https://japanlaw.org/en/my-number-act
  - Amended by Act Partially Amending the Act on the Protection of Personal Information, etc. (Act No. 56 of 2026) (個人情報の保護に関する法律等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000056 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000056)
    What changes: https://japanlaw.org/en/my-number-act/amendments/20270117_508AC0000000056; the law as amended, in Markdown: https://japanlaw.org/md/en/my-number-act/amendments/20270117_508AC0000000056/text

Every day: https://japanlaw.org/en/changes

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## Sources

- Amendments and their dates: e-Gov (Digital Agency) (2 records)
- English names of the laws: Japanese Law Translation, Ministry of Justice (2 records)
- English titles of the amending laws: Written for this site with AI