Privacy Map

Japan. Sectoral privacy. Act

My Number ActAct on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (Act No. 27 of 2013)

In force
Partly verifiedMedium confidence. Act number and dates from general knowledge; sources read did not detail the Act.

§1Summary

Synopsis

Governs Japan's 12-digit Individual Number (My Number) used for tax, social security and disaster response. It strictly limits who may collect, use and keep My Numbers and imposes tighter rules than the APPI, supervised by the PPC.

Key themes
  • national identifier
  • specific personal information
  • restricted use
  • security measures
  • PPC supervision
Unique features

Use and collection allowed only for statutory purposes; heavier criminal penalties than APPI.

SaaS relevance

HR, payroll and accounting SaaS in Japan handling employee My Numbers must meet its strict safeguards.

§2Obligations

Breach notification
Report serious incidents to PPC

§3Dates

Key dates
  • Adopted
  • In force
  • Number notification from Oct 2015; use began 2016-01-01; multiple amendments since

§4Text and authority

Text
Authority
Personal Information Protection Commission (PPC)

§5Where it applies

Domestic law of
Japan

§6Sources and verification

Sources consulted
Verification

Medium confidence.

Partly verifiedMedium confidence. Act number and dates from general knowledge; sources read did not detail the Act.