Supplementary Provisions, Article 20Transitional Measures concerning Special Provisions on Insureds and Members during the Period of Insured's Maternity Leave under Employees' Pension Insurance
第二十条（厚生年金保険の産前産後休業期間中の被保険者及び加入員の特例に関する経過措置）
With regard to a person who began leave equivalent to insured's maternity leave before the item (iv) Effective Date, Article 81-2-2 of the Employees' Pension Insurance Act, or Article 139, paragraph (9) or Article 140, paragraph (10) of the Employees' Pension Insurance Act before amendment by the provisions of Article 1 of the Act Partially Amending the Employees' Pension Insurance Act, etc. for Ensuring the Soundness and Reliability of the Public Pension System (Act No. 63 of 2013), which remain in force pursuant to the provisions of Article 5, paragraph (1) of the Supplementary Provisions of that Act, is applied by deeming the item (iv) Effective Date to be the day on which the person began the insured's maternity leave.
第四号施行日前に産前産後休業に相当する休業を開始した者については、第四号施行日をその産前産後休業を開始した日とみなして、厚生年金保険法第八十一条の二の二又は公的年金制度の健全性及び信頼性の確保のための厚生年金保険法等の一部を改正する法律（平成二十五年法律第六十三号）附則第五条第一項の規定によりなおその効力を有するものとされた同法第一条の規定による改正前の厚生年金保険法第百三十九条第九項若しくは第百四十条第十項の規定を適用する。