Supplementary Provisions, Article 9Special Provisions on Requirements for Payment of the Old-Age Basic Pension, etc.
第九条（老齢基礎年金等の支給要件の特例）
Among persons who have a premium-paid period or a premium exemption period (excluding one relating to premiums that are treated as not required to be paid under the provisions of Article 90-3, paragraph (1); the same applies in paragraph (1) of the following Article and in Article 9-2-2, paragraph (1) of the Supplementary Provisions) (hereinafter referred to in this paragraph as a "person with premium-paid periods, etc."), a person who falls under the proviso to Article 26 and whose premium-paid period, premium exemption period and credited period (meaning the period during which the person fell under item (i) or item (iii) of Article 5, paragraph (1) of the Supplementary Provisions (excluding the period during which the person was a category 2 insured person or a category 3 insured person, the premium-paid period, and the period during which the person was 60 years of age or older); the same applies below), combined, total 10 years or more, is, for the purpose of applying the provisions of Article 26, paragraph (1) of the following Article, Article 9-2-2, paragraph (1) of the Supplementary Provisions, Article 9-3, paragraph (1) of the Supplementary Provisions and Article 9-3-2, paragraph (1) of the Supplementary Provisions, deemed not to fall under the proviso to Article 26; and, among persons with premium-paid periods, etc., a person whose premium-paid period and premium exemption period, combined, total less than 25 years, and whose premium-paid period, premium exemption period and credited period, and insured period of Employees' Pension Insurance on and after the month that includes the day on which the person reached 65 years of age, combined, total 25 years or more, is, for the purpose of applying the provisions of Article 37 (limited to item (iii)), deemed to have a premium-paid period and premium exemption period that, combined, total 25 years or more.
保険料納付済期間又は保険料免除期間（第九十条の三第一項の規定により納付することを要しないものとされた保険料に係るものを除く。次条第一項及び附則第九条の二の二第一項において同じ。）を有する者（以下この項において「保険料納付済期間等を有する者」という。）のうち、第二十六条ただし書に該当する者であつて保険料納付済期間、保険料免除期間及び合算対象期間（附則第五条第一項第一号又は第三号に該当した期間（第二号被保険者又は第三号被保険者であつた期間、保険料納付済期間及び六十歳以上であつた期間を除く。）をいう。以下同じ。）を合算した期間が十年以上であるものは、第二十六条、次条第一項、附則第九条の二の二第一項、第九条の三第一項及び第九条の三の二第一項の規定の適用については、第二十六条ただし書に該当しないものとみなし、保険料納付済期間等を有する者のうち、保険料納付済期間と保険料免除期間とを合算した期間が二十五年に満たない者であつて保険料納付済期間、保険料免除期間及び合算対象期間並びに六十五歳に達した日の属する月以後の厚生年金保険の被保険者期間を合算した期間が二十五年以上であるものは、第三十七条（第三号に限る。）の規定の適用については、保険料納付済期間と保険料免除期間とを合算した期間が二十五年以上であるものとみなす。
The calculation of the credited period is governed by the provisions of Article 11.