# 厚生年金保険法 / Employees' Pension Insurance Act — 第十七条の九 (Supplementary Provisions, Article 17-9) - 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: 第十七条の九 (Supplementary Provisions, Article 17-9)（対象期間標準報酬総額の計算の特例） — address `suppl-3291-115/art-17-9` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9 - 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. --- ### 第十七条の九（対象期間標準報酬総額の計算の特例） — Special Provisions on Calculation of the Aggregate Amount of Standardized Remuneration for the Subject Period caption: machine translation, not official suppl-3291-115/art-17-9 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9 **第一項** 対象期間標準報酬総額を計算する場合において、船員保険の被保険者であつた期間については、第七十八条の三第一項の規定にかかわらず、船員保険の被保険者であつた期間の各月の標準報酬月額に、附則別表第一の各号に掲げる当事者の区分に応じてそれぞれ当該各号に定める率を乗じて計算する。 suppl-3291-115/art-17-9/par-1 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-1 When calculating the aggregate amount of standardized remuneration for the subject period, for the period insured under mariners' insurance, notwithstanding the provisions of Article 78-3, paragraph (1), the calculation is made by multiplying the standardized monthly amount of remuneration for each month of the period insured under mariners' insurance by the rate specified in the relevant item for the category of party set forth in each item of Appended Table 1 of the Supplementary Provisions. machine translation, not official **第二項** 対象期間標準報酬総額を計算する場合において、昭和六十年九月以前の期間に属する旧適用法人共済組合員期間については、第七十八条の三第一項の規定にかかわらず、当該旧適用法人共済組合員期間の各月の標準報酬月額に、附則別表第二の上欄に掲げる当事者の区分に応じてそれぞれ同表の下欄に定める率を乗じて計算する。ただし、国家公務員等共済組合法等の一部を改正する法律附則第三十二条第一項の規定により当該旧適用法人共済組合員期間に合算された期間に属する各月の標準報酬月額については、この限りでない。 suppl-3291-115/art-17-9/par-2 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-2 When calculating the aggregate amount of standardized remuneration for the subject period, for the period of former applicable corporation mutual aid membership falling within the period on or before September 1985, notwithstanding the provisions of Article 78-3, paragraph (1), the calculation is made by multiplying the standardized monthly amount of remuneration for each month of that period of former applicable corporation mutual aid membership by the rate set forth in the lower column of Appended Table 2 of the Supplementary Provisions corresponding to the category of party set forth in the upper column of that Table; provided, however, that this does not apply to the standardized monthly amount of remuneration for each month falling within the period combined with that period of former applicable corporation mutual aid membership pursuant to the provisions of Article 32, paragraph (1) of the Supplementary Provisions of the Act Partially Amending the National Public Officers, etc. Mutual Aid Association Act, etc. machine translation, not official **第三項** 対象期間標準報酬総額を計算する場合において、昭和六十年九月以前の期間に属する旧農林共済組合員期間については、第七十八条の三第一項の規定にかかわらず、当該旧農林共済組合員期間の各月の標準報酬月額に、附則別表第二の上欄に掲げる当事者の区分に応じてそれぞれ同表の下欄に定める率を乗じて計算する。 suppl-3291-115/art-17-9/par-3 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-3 When calculating the aggregate amount of standardized remuneration for the subject period, for the period of former agriculture, forestry and fishery mutual aid membership falling within the period on or before September 1985, notwithstanding the provisions of Article 78-3, paragraph (1), the calculation is made by multiplying the standardized monthly amount of remuneration for each month of that period of former agriculture, forestry and fishery mutual aid membership by the rate set forth in the lower column of Appended Table 2 of the Supplementary Provisions corresponding to the category of party set forth in the upper column of that Table. machine translation, not official **第四項** 対象期間標準報酬総額を計算する場合において、昭和六十年九月以前の期間に属する旧国家公務員共済組合員期間については、第七十八条の三第一項の規定にかかわらず、当該旧国家公務員共済組合員期間の各月の標準報酬月額に、附則別表第二の上欄に掲げる当事者の区分に応じてそれぞれ同表の下欄に定める率を乗じて計算する。ただし、国家公務員等共済組合法等の一部を改正する法律附則第三十二条第一項の規定により当該旧国家公務員共済組合員期間に合算された期間に属する各月の標準報酬月額については、この限りでない。 suppl-3291-115/art-17-9/par-4 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-4 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-4 When calculating the aggregate amount of standardized remuneration for the subject period, for the period of former national public officers mutual aid membership falling within the period on or before September 1985, notwithstanding the provisions of Article 78-3, paragraph (1), the calculation is made by multiplying the standardized monthly amount of remuneration for each month of that period of former national public officers mutual aid membership by the rate set forth in the lower column of Appended Table 2 of the Supplementary Provisions corresponding to the category of party set forth in the upper column of that Table; provided, however, that this does not apply to the standardized monthly amount of remuneration for each month falling within the period combined with that period of former national public officers mutual aid membership pursuant to the provisions of Article 32, paragraph (1) of the Supplementary Provisions of the Act Partially Amending the National Public Officers, etc. Mutual Aid Association Act, etc. machine translation, not official **第五項** 対象期間標準報酬総額を計算する場合において、昭和六十年九月以前の期間に属する旧地方公務員共済組合員期間については、第七十八条の三第一項の規定にかかわらず、当該旧地方公務員共済組合員期間の各月の標準報酬月額に、附則別表第二の上欄に掲げる当事者の区分に応じてそれぞれ同表の下欄に定める率を乗じて計算する。ただし、地方公務員等共済組合法等の一部を改正する法律附則第三十五条第一項の規定により当該旧地方公務員共済組合員期間に合算された期間に属する各月の標準報酬月額については、この限りでない。 suppl-3291-115/art-17-9/par-5 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-5 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-5 When calculating the aggregate amount of standardized remuneration for the subject period, for the period of former local public officers mutual aid membership falling within the period on or before September 1985, notwithstanding the provisions of Article 78-3, paragraph (1), the calculation is made by multiplying the standardized monthly amount of remuneration for each month of that period of former local public officers mutual aid membership by the rate set forth in the lower column of Appended Table 2 of the Supplementary Provisions corresponding to the category of party set forth in the upper column of that Table; provided, however, that this does not apply to the standardized monthly amount of remuneration for each month falling within the period combined with that period of former local public officers mutual aid membership pursuant to the provisions of Article 35, paragraph (1) of the Supplementary Provisions of the Act Partially Amending the Local Public Officers, etc. Mutual Aid Association Act, etc. machine translation, not official **第六項** 対象期間標準報酬総額を計算する場合において、昭和六十年九月以前の期間に属する旧私立学校教職員共済加入者期間については、第七十八条の三第一項の規定にかかわらず、当該旧私立学校教職員共済加入者期間の各月の標準報酬月額に、附則別表第二の上欄に掲げる当事者の区分に応じてそれぞれ同表の下欄に定める率を乗じて計算する。 suppl-3291-115/art-17-9/par-6 · https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-9/par-6 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-9/par-6 When calculating the aggregate amount of standardized remuneration for the subject period, for the period of former private school personnel mutual aid membership falling within the period on or before September 1985, notwithstanding the provisions of Article 78-3, paragraph (1), the calculation is made by multiplying the standardized monthly amount of remuneration for each month of that period of former private school personnel mutual aid membership by the rate set forth in the lower column of Appended Table 2 of the Supplementary Provisions corresponding to the category of party set forth in the upper column of that Table. machine translation, not official --- ## Cites - suppl-3291-115/art-17-9/par-1: 第七十八条の三第一項 → 厚生年金保険法 第七十八条の三第一項 (Article 78-3, paragraph (1)), art-78-3/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 - suppl-3291-115/art-17-9/par-1: 附則別表第一 → 厚生年金保険法 附則別表第一 (Supplementary Provisions, Appended Table 1), suppl-3291-115/appdx-1 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/appdx-1 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/appdx-1 - suppl-3291-115/art-17-9/par-2: 第七十八条の三第一項 → 厚生年金保険法 第七十八条の三第一項 (Article 78-3, paragraph (1)), art-78-3/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 - suppl-3291-115/art-17-9/par-2: 附則別表第二 → 厚生年金保険法 附則別表第二 (Supplementary Provisions, Appended Table 2), suppl-3291-115/appdx-2 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/appdx-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/appdx-2 - suppl-3291-115/art-17-9/par-3: 第七十八条の三第一項 → 厚生年金保険法 第七十八条の三第一項 (Article 78-3, paragraph (1)), art-78-3/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 - suppl-3291-115/art-17-9/par-3: 附則別表第二 → 厚生年金保険法 附則別表第二 (Supplementary Provisions, Appended Table 2), suppl-3291-115/appdx-2 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/appdx-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/appdx-2 - suppl-3291-115/art-17-9/par-4: 第七十八条の三第一項 → 厚生年金保険法 第七十八条の三第一項 (Article 78-3, paragraph (1)), art-78-3/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 - suppl-3291-115/art-17-9/par-4: 附則別表第二 → 厚生年金保険法 附則別表第二 (Supplementary Provisions, Appended Table 2), suppl-3291-115/appdx-2 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/appdx-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/appdx-2 - suppl-3291-115/art-17-9/par-5: 第七十八条の三第一項 → 厚生年金保険法 第七十八条の三第一項 (Article 78-3, paragraph (1)), art-78-3/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 - suppl-3291-115/art-17-9/par-5: 附則別表第二 → 厚生年金保険法 附則別表第二 (Supplementary Provisions, Appended Table 2), suppl-3291-115/appdx-2 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/appdx-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/appdx-2 - suppl-3291-115/art-17-9/par-6: 第七十八条の三第一項 → 厚生年金保険法 第七十八条の三第一項 (Article 78-3, paragraph (1)), art-78-3/par-1 — https://japanlaw.org/en/employees-pension-insurance-act/art-78-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-78-3/par-1 - suppl-3291-115/art-17-9/par-6: 附則別表第二 → 厚生年金保険法 附則別表第二 (Supplementary Provisions, Appended Table 2), suppl-3291-115/appdx-2 — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/appdx-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/appdx-2 ## Cited by 6 provisions cite this one. No official source publishes this direction. - 厚生年金保険法 附則第十七条の四第二項（平均標準報酬月額の改定） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-4/par-2 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-4/par-2 - 厚生年金保険法 附則第十七条の四第三項（平均標準報酬月額の改定） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-4/par-3 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-4/par-3 - 厚生年金保険法 附則第十七条の四第四項（平均標準報酬月額の改定） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-4/par-4 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-4/par-4 - 厚生年金保険法 附則第十七条の四第五項（平均標準報酬月額の改定） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-4/par-5 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-4/par-5 - 厚生年金保険法 附則第十七条の四第六項（平均標準報酬月額の改定） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-4/par-6 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-4/par-6 - 厚生年金保険法 附則第十七条の四第七項（平均標準報酬月額の改定） — https://japanlaw.org/en/employees-pension-insurance-act/suppl-3291-115/art-17-4/par-7 · https://japanlaw.org/l/329AC0000000115/suppl-3291-115/art-17-4/par-7 --- ## 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-20261013T074650-013, translated 2026-10-13 - claude-sonnet-5-5 — Machine translation, batch employees-pension-insurance-act-20261013T083844-002, 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