# 厚生年金保険法 / Employees' Pension Insurance Act — 第十八条 (Supplementary Provisions, Article 18) - 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: 第十八条 (Supplementary Provisions, Article 18)（厚生年金保険の産前産後休業を終了した際の改定に関する経過措置） — address `suppl-4241-62/art-18` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4241-62/art-18 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-18 - 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. --- ### 第十八条（厚生年金保険の産前産後休業を終了した際の改定に関する経過措置） — Transitional Measures concerning Revision at the End of the Insured's Maternity Leave under Employees' Pension Insurance caption: machine translation, not official suppl-4241-62/art-18 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4241-62/art-18 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-18 **第一項** 第三条の規定による改正後の厚生年金保険法第二十三条の三の規定は、第四号施行日以後に終了した同条第一項に規定する産前産後休業（次条及び附則第二十条において「産前産後休業」という。）について適用する。 suppl-4241-62/art-18/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4241-62/art-18/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-18/par-1 The provisions of Article 23-3 of the Employees' Pension Insurance Act as amended by the provisions of Article 3 apply to the insured's maternity leave prescribed in paragraph (1) of that Article (referred to as "insured's maternity leave" in the following Article and Article 20 of the Supplementary Provisions) that ends on or after the item (iv) Effective Date. machine translation, not official --- ## Cites - suppl-4241-62/art-18/par-1: 厚生年金保険法第二十三条の三 → 厚生年金保険法 第二十三条の三 (Article 23-3), art-23-3 — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-3 · https://japanlaw.org/l/329AC0000000115/art-23-3 - suppl-4241-62/art-18/par-1: 同条第一項 → 厚生年金保険法 第二十三条の三第一項 (Article 23-3, paragraph (1)), art-23-3/par-1 — https://japanlaw.org/ja/employees-pension-insurance-act/art-23-3/par-1 · https://japanlaw.org/l/329AC0000000115/art-23-3/par-1 - suppl-4241-62/art-18/par-1: 次条 → 厚生年金保険法 附則第十九条 (Supplementary Provisions, Article 19), suppl-4241-62/art-19 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4241-62/art-19 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-19 - suppl-4241-62/art-18/par-1: 附則第二十条 → 厚生年金保険法 附則第二十条 (Supplementary Provisions, Article 20), suppl-4241-62/art-20 — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4241-62/art-20 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-20 ## Cited by 1 provision cites this one. No official source publishes this direction. - 厚生年金保険法 附則第一条第一項第四号（施行期日） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4241-62/art-1/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/suppl-4241-62/art-1/par-1/item-4 --- ## 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-20261013T074650-070, 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