# 厚生年金保険法 / Employees' Pension Insurance Act — 附　則 (Supplementary Provisions) - Law: 厚生年金保険法 (Employees' Pension Insurance Act), 昭和二十九年法律第百十五号 - English title "Employees' Pension Insurance Act": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 附　則 (Supplementary Provisions) — address `suppl-3351-17` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-3351-17 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ## 附　則 昭和三五年三月三一日法律第一七号 suppl-3351-17 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17 ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-3351-17/art-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-1 **第一項** この法律は、公布の日から起算して三箇月をこえない範囲内において政令で定める日から施行する。 suppl-3351-17/art-1/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-1/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-1/par-1 This Act comes into effect on the date specified by Cabinet Order within a period not exceeding three months from the date of promulgation. machine translation, not official ### 第二条（厚生年金保険法の一部改正に伴う経過措置） — Transitional Measures Accompanying the Partial Amendment of the Employees' Pension Insurance Act caption: machine translation, not official suppl-3351-17/art-2 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-2 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-2 **第一項** この法律の施行の日前に被保険者の資格を取得して、同日まで引き続き被保険者の資格を有する者（第四種被保険者の資格を有する者を除く。）のうち、この法律の施行の日の属する月の前月の標準報酬月額が一万八千円である者のこの法律の施行の日の属する月からその年の九月までの標準報酬については、その者がこの法律の施行の日に被保険者の資格を取得したものとみなして、この法律による改正後の厚生年金保険法第二十条の規定を適用する。この場合において、その者が健康保険の被保険者であるときは、同法第二十二条第一項の規定にかかわらず、その者のこの法律の施行の日の属する月における健康保険法（大正十一年法律第七十号）による標準報酬の基礎となつた報酬月額を厚生年金保険法による標準報酬の基礎となる報酬月額とみなす。 suppl-3351-17/art-2/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-2/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-2/par-1 Among persons who acquired status as an insured before the day this Act comes into effect and have continuously held status as an insured until that day (excluding persons who have status as a class 4 insured person), for a person whose standardized monthly amount of remuneration for the month preceding the month that includes the day this Act comes into effect is 18,000 yen, with regard to the standardized remuneration for the period from the month that includes the day this Act comes into effect until September of that year, the provisions of Article 20 of the Employees' Pension Insurance Act as amended by this Act apply as if the person had acquired status as an insured on the day this Act comes into effect. In this case, if the person is an insured under health insurance, notwithstanding the provisions of Article 22, paragraph (1) of the Employees' Pension Insurance Act, the amount of monthly remuneration that served as the basis for the person's standardized remuneration under the Health Insurance Act (Act No. 70 of 1922) in the month that includes the day this Act comes into effect is deemed to be the amount of monthly remuneration that serves as the basis for standardized remuneration under the Employees' Pension Insurance Act. machine translation, not official ### 第三条 suppl-3351-17/art-3 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-3 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-3 **第一項** この法律による改正後の厚生年金保険法第二十八条の規定は、都道府県知事がこの法律の施行前にこの法律による改正前の同法同条の規定によつて記録した事項についても、適用する。 suppl-3351-17/art-3/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-3/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-3/par-1 The provisions of Article 28 of the Employees' Pension Insurance Act as amended by this Act also apply to matters that a prefectural governor recorded before this Act comes into effect pursuant to the provisions of Article 28 of the Employees' Pension Insurance Act before the amendment by this Act. machine translation, not official ### 第四条 suppl-3351-17/art-4 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4 **第一項** この法律の施行の日において現に厚生年金保険法第三十四条の規定によりその基本年金額が計算された年金たる保険給付を受ける権利を有する者に支給する当該保険給付については、その基本年金額を、この法律による改正後の同法同条の規定により計算した額とする。 suppl-3351-17/art-4/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-1 With regard to the pension insurance benefit paid to a person who, on the day this Act comes into effect, has the right to receive a pension insurance benefit the basic amount of pension of which has been calculated pursuant to the provisions of Article 34 of the Employees' Pension Insurance Act, the basic amount of pension is to be the amount calculated pursuant to the provisions of Article 34 of that Act as amended by this Act. machine translation, not official **第二項** この法律の施行の日において現に厚生年金保険法附則第十六条第一項の規定によつて支給する従前の障害年金の例による保険給付を受ける権利を有する者の当該保険給付については、その額（従前の加給金に相当する給付の額を除く。）が、二万八千三百二十円に満たないときは、これを二万八千三百二十円とする。 suppl-3351-17/art-4/par-2 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-2 With regard to the insurance benefit for a person who, on the day this Act comes into effect, actually has the right to receive an insurance benefit that follows the example of the former disability pension paid pursuant to the provisions of Article 16, paragraph (1) of the Supplementary Provisions of the Employees' Pension Insurance Act, if the amount of that benefit (excluding the amount of the benefit equivalent to the former additional allowance) is less than 28,320 yen, it is to be 28,320 yen. machine translation, not official **第三項** この法律の施行の日において現に厚生年金保険法附則第十六条第一項の規定によつて支給する従前の遺族年金、寡婦年金、鰥夫年金又は遺児年金の例による保険給付を受ける権利を有する者の当該保険給付については、その額（従前の加給金又は増額金に相当する給付の額を除く。）が、一万四千百六十円に満たないときは、これを一万四千百六十円とする。 suppl-3351-17/art-4/par-3 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-3 With regard to the insurance benefit for a person who, on the day this Act comes into effect, actually has the right to receive an insurance benefit that follows the example of the former pension for surviving family, widow's pension, widower's pension or orphan's pension paid pursuant to the provisions of Article 16, paragraph (1) of the Supplementary Provisions of the Employees' Pension Insurance Act, if the amount of that benefit (excluding the amount of the benefit equivalent to the former additional allowance or increment) is less than 14,160 yen, it is to be 14,160 yen. machine translation, not official **第四項** 前項の規定は、この法律の施行の日以後において、厚生年金保険法附則第十六条第一項の規定によつて支給する従前の遺族年金、寡婦年金、鰥夫年金又は遺児年金の例による保険給付を受ける権利を有するに至つた者の当該保険給付について準用する。 suppl-3351-17/art-4/par-4 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-4 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-4 The provisions of the preceding paragraph apply mutatis mutandis to the insurance benefit for a person who, on or after the day this Act comes into effect, comes to have the right to receive an insurance benefit that follows the example of the former pension for surviving family, widow's pension, widower's pension or orphan's pension paid pursuant to the provisions of Article 16, paragraph (1) of the Supplementary Provisions of the Employees' Pension Insurance Act. machine translation, not official **第五項** この法律の施行の日において現に厚生年金保険法附則第二十条第一項又は同条第三項の規定によりその額が計算された障害年金を受ける権利を有する者に支給する当該障害年金については、その額（加給年金額を除く。）をこの法律による改正後の同法第三十四条の規定により計算した基本年金額に相当する額に一万二千円を加算した額とする。 suppl-3351-17/art-4/par-5 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-5 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-5 With regard to the disability pension paid to a person who, on the day this Act comes into effect, actually has the right to receive a disability pension the amount of which has been calculated pursuant to the provisions of Article 20, paragraph (1) or (3) of the Supplementary Provisions of the Employees' Pension Insurance Act, the amount (excluding the additional amount of pension) is to be the amount obtained by adding 12,000 yen to the amount equivalent to the basic amount of pension calculated pursuant to the provisions of Article 34 of that Act as amended by this Act. machine translation, not official **第六項** この法律の施行の日において現に厚生年金保険法附則第二十条第二項又は同条第四項の規定によりその額が計算された障害年金を受ける権利を有する者に支給する当該障害年金のうち、その額（加給年金額を除く。）が、この法律による改正後の同法第三十四条の規定により計算した基本年金額に満たないものについては、これをその基本年金額に相当する額とする。 suppl-3351-17/art-4/par-6 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-6 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-6 With regard to a disability pension paid to a person who, on the day this Act comes into effect, actually has the right to receive a disability pension the amount of which has been calculated pursuant to the provisions of Article 20, paragraph (2) or (4) of the Supplementary Provisions of the Employees' Pension Insurance Act, the amount of which (excluding the additional amount of pension) is less than the basic amount of pension calculated pursuant to the provisions of Article 34 of that Act as amended by this Act, the amount is to be the amount equivalent to that basic amount of pension. machine translation, not official **第七項** この法律の施行の日において現に厚生年金保険法附則第二十一条の規定によりその基本年金額が計算された遺族年金を受ける権利を有する者に支給する当該遺族年金のうち、その基本年金額が、この法律による改正後の同法第三十四条の規定により計算した基本年金額に満たないものについては、これをこの法律による改正後の同法同条の規定により計算した基本年金額に相当する額とする。 suppl-3351-17/art-4/par-7 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-7 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-7 With regard to a pension for surviving family paid to a person who, on the day this Act comes into effect, actually has the right to receive a pension for surviving family the basic amount of pension of which has been calculated pursuant to the provisions of Article 21 of the Supplementary Provisions of the Employees' Pension Insurance Act, the basic amount of pension of which is less than the basic amount of pension calculated pursuant to the provisions of Article 34 of that Act as amended by this Act, the basic amount of pension is to be the amount equivalent to the basic amount of pension calculated pursuant to the provisions of Article 34 of that Act as amended by this Act. machine translation, not official ### 第五条 suppl-3351-17/art-5 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-5 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-5 **第一項** 前条に規定する保険給付のうちこの法律の施行の日の属する月の前月以前の月に係る分及び障害手当金であつて、この法律の施行の日においてまだ支給していないものについては、なお従前の例による。 suppl-3351-17/art-5/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-5/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-5/par-1 With regard to the portion of the insurance benefits prescribed in the preceding Article that relates to months on or before the month preceding the month that includes the day this Act comes into effect, and disability allowances, that have not yet been paid on the day this Act comes into effect, the provisions then in force continue to govern. machine translation, not official ### 第六条 suppl-3351-17/art-6 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-6 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-6 **第一項** この法律による改正後の厚生年金保険法第八十一条第五項に定める保険料率は、同条第四項の規定により昭和三十九年四月三十日までに行われるべき再計算の結果に基き、改定されるべきものとする。 suppl-3351-17/art-6/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-6/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-6/par-1 The insurance premium rate prescribed in Article 81, paragraph (5) of the Employees' Pension Insurance Act as amended by this Act is to be revised on the basis of the result of the recalculation to be carried out by April 30, 1964 pursuant to the provisions of paragraph (4) of that Article. machine translation, not official ### 第七条 suppl-3351-17/art-7 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-7 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-7 **第一項** この法律の施行の日の属する月の前月以前の月に係る保険料については、なお従前の保険料率による。 suppl-3351-17/art-7/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-7/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-7/par-1 With regard to insurance premiums for months on or before the month preceding the month that includes the day this Act comes into effect, the former insurance premium rate continues to apply. machine translation, not official --- ## Cites - suppl-3351-17/art-4/par-4: 前項 → 厚生年金保険法 附則第四条第三項 (Supplementary Provisions, Article 4, paragraph (3)), suppl-3351-17/art-4/par-3 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-3 - suppl-3351-17/art-5/par-1: 前条 → 厚生年金保険法 附則第四条 (Supplementary Provisions, Article 4), suppl-3351-17/art-4 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 厚生年金保険法 附則第四条第四項 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-4/par-4 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-4/par-4 - 厚生年金保険法 附則第五条第一項 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3351-17/art-5/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3351-17/art-5/par-1 - 厚生年金保険法 附則第九条第二項（従前の保険給付の額の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3401-104/art-9/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-3401-104/art-9/par-2 - 厚生年金保険法 附則第九条第三項（従前の保険給付の額の特例） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3401-104/art-9/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3401-104/art-9/par-3 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 厚生年金保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/329AC0000000115/20261001_507AC0000000074), retrieved 2026-10-13 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Employees' Pension Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3554/tb), retrieved 2026-10-13 - claude-sonnet-5-5 — Machine translation, batch employees-pension-insurance-act-20261013T074650-016, translated 2026-10-13 - claude-sonnet-5-5 — Machine translation, batch employees-pension-insurance-act-20261013T074650-017, translated 2026-10-13 - This site's parser, version 190 — 厚生年金保険法 — structure, counts, cross-references and defined terms, computed 2026-10-13