Law note · Japan

Act on the Protection of Personal Information, enforcement

cite Act No. 57 of 2003, as amended by Act No. 37 of 2021, Chapters VI, VIII stage IN FORCE in force since 2022-04-01 kind Enforcement supervision binds public and private bodies reviewed 2026-08-29

What it requires

An app processing the personal data of a person in Japan must be prepared to answer to the Personal Information Protection Commission's investigative, recommendation, and order powers, and a responsible individual risks criminal liability for violating a PPC order; Japan has no APPI-specific private right of action, so an aggrieved person's civil remedy runs through general tort law instead.

When LexLint raises it

crawls_web
trains_models
generates_content
deploys_chatbot
automated_outreach
high_risk_decisions
processes_voice
processes_biometrics

Private right of action: No

What we found

The Personal Information Protection Commission (PPC) is Japan's independent supervisory authority, holding recommendation and order powers under Chapter VI. Violating a PPC order under Art. 148(2) or (3) is a criminal offense under Art. 178, punishable for an individual by imprisonment with work for not more than one year or a fine of not more than JPY 1,000,000.

APPI carries no dedicated statutory private right of action; a data subject's civil remedy runs through general tort law under Civil Code Art. 709, outside APPI itself, so enforcement of the statute is PPC-only.

Primary source

official statute text, Japanese Law Translation portal

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