The determination that a person maintains their livelihood mainly through the income of a category 2 insured person, as prescribed in Article 7, paragraph (2) of the Act, is made by the Japan Pension Service (hereinafter referred to as the "Japan Pension Service"), taking into account the handling of the determination of dependents under the Health Insurance Act (Act No. 70 of 1922), the National Public Officers Mutual Aid Association Act (Act No. 128 of 1958), the Local Public Officers, etc. Mutual Aid Association Act and the Private School Personnel Mutual Aid Association Act.
法第七条第二項に規定する主として第二号被保険者の収入により生計を維持することの認定は、健康保険法（大正十一年法律第七十号）、国家公務員共済組合法（昭和三十三年法律第百二十八号）、地方公務員等共済組合法及び私立学校教職員共済法における被扶養者の認定の取扱いを勘案して日本年金機構（以下「機構」という。）が行う。
Read this with the articles around it
Japan Pension Servicemachine translation
「機構」
The Japan Pension Service (日本年金機構).
Short name set inArticle 4, paragraph (1)