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
Chapter V Specific Personal Information Protection (Articles 27 to 29-4)
The law as Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) leaves it, with the words it changes marked.
The main text is read a page at a time: a chapter to a page, and a long chapter in runs of articles. The whole main text, and the supplementary provisions and appended tables this amendment changes. Those it leaves untouched are on the page for the text in force.
Chapter V Specific Personal Information Protection第五章 特定個人情報の保護
Section 1 Specific Personal Information Protection Assessment, etc.第一節 特定個人情報保護評価等
Article 27第二十七条
Guidelines for Persons Who Intend to Hold Specific Personal Information Files(特定個人情報ファイルを保有しようとする者に対する指針)
Article 27, paragraph (1)
The Commission, in order to ensure the proper handling of Specific Personal Information, is to establish and make public the guidelines (in the following paragraph and paragraph (3) of the following Article, referred to simply as "guidelines") specifying measures that a person who intends to hold Specific Personal Information Files must take, such as conducting by themselves a Specific Personal Information Protection Assessment (meaning an assessment of the risk of occurrence and impact of leakage of Specific Personal Information and other situations), preventing the occurrence of these situations, and other measures to properly manage Specific Personal Information.
The Commission, considering the technological progress and international trends related to the protection of Personal Information, is to reexamine the guidelines at least every three years, and, if it is found to be necessary, to change the guidelines.
Specific Personal Information Protection Assessment(特定個人情報保護評価)
Article 28, paragraph (1)
If the head of an administrative organ, etc. intends to hold Specific Personal Information Files (excluding those in which personnel affairs, remuneration, or welfare benefit of a person who is or was exclusively an official of said head of the administrative organ, etc. is recorded and others that are specified by Rules of the Personal Information Protection Commission; hereinafter the same applies in this Article), before holding said Specific Personal Information File, pursuant to the provisions of Rules of the Personal Information Protection Commission, the head is to make a public notification of the document stating the results of assessing the following items (hereinafter the document is referred to as "Assessment Report" in this Article) and to seek comments widely from the citizens. With regard to said Specific Personal Information File, if the head intends to make a material change specified by Rules of the Personal Information Protection Commission, the same applies:
the number of persons who are engaged in processes that use the Specific Personal Information File;
特定個人情報ファイルを取り扱う事務に従事する者の数
Article 28, paragraph (1), item (ii)
the amount of Specific Personal Information to be recorded in the Specific Personal Information File;
特定個人情報ファイルに記録されることとなる特定個人情報の量
Article 28, paragraph (1), item (iii)
past situation of the handling of the Personal Information File by the head of an administrative organ, etc.;
行政機関の長等における過去の個人情報ファイルの取扱いの状況
Article 28, paragraph (1), item (iv)
outline of the processes that use the Specific Personal Information File;
特定個人情報ファイルを取り扱う事務の概要
Article 28, paragraph (1), item (v)
the structure of the electronic data processing system used for handling the Specific Personal Information File and the method of computer processing, etc.;
特定個人情報ファイルを取り扱うために使用する電子情報処理組織の仕組み及び電子計算機処理等の方式
Article 28, paragraph (1), item (vi)
measures to protect Specific Personal Information recorded in the Specific Personal Information File; and
特定個人情報ファイルに記録された特定個人情報を保護するための措置
Article 28, paragraph (1), item (vii)
in addition to those listed in the preceding items, matters specified by Rules of the Personal Information Protection Commission.
前各号に掲げるもののほか、個人情報保護委員会規則で定める事項
Article 28, paragraph (2)
In the case set forth in the first sentence of the preceding paragraph, the head of an administrative organ, etc., as provided for by Rules of the Personal Information Protection Commission, after giving enough consideration to the opinions obtained pursuant to the provisions of the first sentence of the same paragraph and making the necessary reviews in the Assessment Report, is to obtain the approval of the Commission with regard to the handling of Specific Personal Information Files stated in said Assessment Report. With regard to said Specific Personal Information Files, if the head intends to make a material change specified by Rules of the Personal Information Protection Commission, the same applies.
The Commission must not give the approval set forth in the preceding paragraph unless it is found by judgment based on the content of the Assessment Report, the information obtained pursuant to the provisions of Article 35, paragraph (1) of this Act and other information that the handling of the Specific Personal Information Files stated in said Assessment Report is in conformance with the guidelines.
If the head of an administrative organ, etc. receives the approval concerning the Assessment Report pursuant to the provisions of paragraph (2), the head is to promptly make public said Assessment Report.
When an Assessment Report has been made public pursuant to the provisions of the preceding paragraph, the notification under the provisions of Article 74, paragraph (1) of the Personal Information Protection Act is deemed to have been made.
The head of an administrative organ, etc. must not provide information recorded in a Specific Personal Information File, for which the Assessment Report has not been made public, pursuant to the provisions of Article 19, item (viii) or (ix) of this Act or must not request for the provision of information to be recorded in said Specific Personal Information File pursuant to the provisions of those items.
Restrictions on the Creation of Specific Personal Information Files(特定個人情報ファイルの作成の制限)
Article 29, paragraph (1)
A Person in Charge of a Process Using an Individual Number, etc. and other persons engaged in a Process Using an Individual Number, etc. must not create a Specific Personal Information File beyond the extent necessary for handling a Process Using an Individual Number, etc. except in cases falling under any of Article 19, items (xiii) through (xvii) of this Act where said persons can provide or be provided with Specific Personal Information.
When holding or intending to hold a Specific Personal Information File, the head of an administrative organ, etc. is to, pursuant to the provisions of Cabinet Order, provide the persons engaged in processes handling Specific Personal Information Files with training on matters concerning ensuring cybersecurity (meaning cybersecurity as set forth in Article 2 of the Basic Act on Cybersecurity (Act No. 104 of 2014); the same applies in Article 32) necessary to ensure the appropriate handling of Specific Personal Information, and on other matters.
Administrative organs, incorporated administrative agencies, etc. and the Agency that hold a Specific Personal Information File are to periodically undergo inspections by the Commission, pursuant to the provisions of Rules of the Personal Information Protection Commission, regarding the status of the handling of Specific Personal Information recorded in said Specific Personal Information File.
Local governments and local incorporated administrative agencies that hold a Specific Personal Information File are to periodically report to the Commission, pursuant to the provisions of Rules of the Personal Information Protection Commission, on the status of the handling of Specific Personal Information recorded in said Specific Personal Information File.
Reports on Leakage of Specific Personal Information, etc.(特定個人情報の漏えい等に関する報告等)
Article 29-4, paragraph (1)
If a leakage, loss or damage of Specific Personal Information recorded in a Specific Personal Information File or any other situation concerning ensuring the security of Specific Personal Information that is specified by Rules of the Personal Information Protection Commission as being highly likely to harm the rights and interests of individuals has occurred, a Person in Charge of a Process Using an Individual Number, etc. must report to the Commission that the situation has occurred, pursuant to the provisions of Rules of the Personal Information Protection Commission. This does not apply, however, if said Person in Charge of a Process Using an Individual Number, etc. has been entrusted with all or part of said Process Using an Individual Number, etc. by another Person in Charge of a Process Using an Individual Number, etc. and has notified that other Person in Charge of a Process Using an Individual Number, etc. that the situation has occurred, pursuant to the provisions of Rules of the Personal Information Protection Commission.
In the case provided for in the preceding paragraph, a Person in Charge of a Process Using an Individual Number, etc. (excluding a person who has given notice under the proviso to that paragraph; the same applies in Article 43-2, paragraph (2)) must notify the person themselves that the situation has occurred, pursuant to the provisions of Rules of the Personal Information Protection Commission. This does not apply, however, if it is difficult to notify the person themselves and the Person in Charge of a Process Using an Individual Number, etc. takes alternative measures necessary to protect the rights and interests of the person themselves.