For a person listed in the left-hand column of Appended Table 4 of the Supplementary Provisions, the figure "480" in Article 27 of the National Pension Act (including where applied under Article 28, paragraph (4) of that Act and Article 9-2, paragraph (4) of the Supplementary Provisions of that Act, and where that Article governs under Article 50 of that Act and Article 9-3, paragraph (2) of the Supplementary Provisions of that Act) is to be read as the figure in the right-hand column of that Table for the respective person.

①Where the person entitled to receive it (excluding a person who falls under paragraph (1) or paragraph (2) of the following Article or Article 18, paragraph (1) of the Supplementary Provisions) is a person born between April 2, 1926 and April 1, 1966 and, on the day on which the person reached 65 years of age, was maintaining their livelihood through their spouse (including a person who has not notified the marriage but is in circumstances similar to a de facto marital relationship; the same applies hereinafter in this Article, the following Article and Article 18 of the Supplementary Provisions) who falls under any of the following items (limited to where, on the day before that day on which the person reached 65 years of age, the person had been taken into account as a basis for calculating the supplementary pension amount of the benefit paid as a pension listed in the following items that that spouse had the right to receive), the amount of the old-age basic pension is, notwithstanding the provisions of Article 17 of the Supplementary Provisions, Articles 27 and 28 of the National Pension Act and Articles 9-2, 9-2-2 and 9-4-5 of the Supplementary Provisions of that Act, the amount obtained by adding, to the amount specified in those provisions, the amount obtained by multiplying the amount obtained by multiplying 224,700 yen by the revision rate prescribed in Article 27 of that Act (hereinafter referred to as the "revision rate") (where that amount includes a fraction of less than 50 yen, the fraction is to be rounded down, and where it includes a fraction of 50 yen or more but less than 100 yen, the fraction is to be rounded up to 100 yen) by the rate specified by Cabinet Order according to that person's date of birth. However, this does not apply when that person is able to receive an old-age employees' pension, a retirement mutual aid pension or any other benefit whose ground for payment is old age or retirement that is specified by Cabinet Order.

②Where the spouse of a person born between April 2, 1926 and April 1, 1966 has come to fall under any of the items of the preceding paragraph on or after the day on which that person reached 65 years of age, if that person was at that time maintaining their livelihood through their spouse, the amount of the old-age basic pension for that person is, notwithstanding the provisions of Article 17 of the Supplementary Provisions, Articles 27 and 28 of the National Pension Act and Articles 9-2, 9-2-2 and 9-4-5 of the Supplementary Provisions of that Act, the amount obtained by adding the additional amount prescribed in that paragraph to the amount specified in those provisions. However, this does not apply when that person falls under the proviso to that paragraph.

③Necessary matters concerning the recognition that livelihood was maintained through the spouse of the person entitled to receive the old-age basic pension, for the purpose of applying the preceding two paragraphs, are specified by Cabinet Order.

④The revision of the amount of the old-age basic pension where a ground has arisen for starting or discontinuing the addition under paragraph (1) or paragraph (2) is made from the month following the month in which that ground arose, respectively.

①Where a person born between April 2, 1926 and April 1, 1966 who, on the day on which the person reached 65 years of age, has neither a premium-paid period (including a period deemed to be a premium-paid period pursuant to the provisions of Article 8, paragraph (1) or paragraph (2) of the Supplementary Provisions, and excluding the period prescribed in paragraph (4) of that Article; the same applies in the following paragraph) nor a premium exemption period (including a period deemed to be a premium exemption period pursuant to the provisions of paragraph (1) of that Article, and excluding one relating to premiums that are treated as not required to be paid pursuant to the provisions of Article 90-3, paragraph (1) of the National Pension Act; the same applies in the following paragraph), and who falls under any of the following items, was, on that day, maintaining their livelihood through their spouse who falls under any of the items of paragraph (1) of the preceding Article (limited to where, on the day before that day on which the person reached 65 years of age, the person had been taken into account as a basis for calculating the supplementary pension amount of the benefit paid as a pension listed in the items of that paragraph that that spouse had the right to receive), the person is deemed to satisfy the requirements for payment of the old-age basic pension specified in Article 26 of that Act, and the old-age basic pension is paid to that person. However, this does not apply when that person falls under the proviso to paragraph (1) of the preceding Article.

②Where the spouse of a person born between April 2, 1926 and April 1, 1966 has come to fall under any of the items of paragraph (1) of the preceding Article on or after the day on which that person reached 65 years of age, if that person at that time had neither a premium-paid period nor a premium exemption period, fell under any of the items of the preceding paragraph, and was maintaining their livelihood through their spouse, the person is deemed to satisfy the requirements for payment of the old-age basic pension specified in Article 26 of the new National Pension Act, and the old-age basic pension is paid to that person. However, this does not apply when that person falls under the proviso to paragraph (1) of the preceding Article.

③The amount of the old-age basic pension under the preceding two paragraphs is, notwithstanding the provisions of Article 27 of the National Pension Act, an amount equivalent to the additional amount prescribed in paragraph (1) of the preceding Article.

④The provisions of Article 28 of the National Pension Act do not apply to the old-age basic pension paid pursuant to the provisions of paragraph (1) or paragraph (2).

⑤The provisions of Article 9, paragraph (2) of the Supplementary Provisions of the National Pension Act apply mutatis mutandis to the calculation of the credited period prescribed in paragraph (1), item (i).

⑥The provisions of paragraph (3) of the preceding Article apply mutatis mutandis to the cases under paragraph (1) or paragraph (2). In this case, the phrase "the spouse of the person entitled to receive the old-age basic pension" in paragraph (3) of that Article is deemed to be replaced with "a person who falls under the items of paragraph (1) of the preceding Article".

①For an old-age basic pension whose amount has been increased by addition pursuant to the provisions of Article 14, paragraph (1) or paragraph (2) of the Supplementary Provisions, payment of the portion equivalent to the amount added pursuant to the provisions of paragraph (1) or paragraph (2) of that Article is suspended for as long as the person entitled to receive it is able to receive payment of a disability basic pension, a disability employees' pension, a disability mutual aid pension or any other benefit paid as a pension whose ground for payment is disability that is specified by Cabinet Order.

②Payment of the old-age basic pension under paragraph (1) or paragraph (2) of the preceding Article is suspended for as long as the person entitled to receive it is able to receive payment of a benefit paid as a pension specified by Cabinet Order as prescribed in the preceding paragraph.

①The amount of the old-age basic pension paid to a person who is listed in the left-hand column of Appended Table 5 of the Supplementary Provisions, whose insured period of the National Pension as a category 1 insured person (including a period deemed to be that insured period pursuant to the provisions of Article 8, paragraph (1) of the Supplementary Provisions, and the insured period of the National Pension as an insured person under the provisions of Article 5, paragraph (1) of the Supplementary Provisions of the National Pension Act; the same applies hereinafter in this Article) is less than 25 years, and for whom the period obtained by combining the premium-paid period relating to the insured period of the National Pension as a category 1 insured person (including a period deemed to be that premium-paid period pursuant to the provisions of Article 8, paragraph (1) of the Supplementary Provisions; the same applies hereinafter in this Article) and the premium exemption period (including a period deemed to be that premium exemption period pursuant to the provisions of Article 8, paragraph (1) of the Supplementary Provisions; the same applies hereinafter in this Article) is the period listed in the middle column of that Table for the respective person, or more, is, where the amount listed in item (i) exceeds the amount listed in item (ii), notwithstanding the provisions of Article 27 of that Act, the amount obtained by adding, to the amount specified in that Article, the amount obtained by deducting the amount listed in item (ii) from the amount listed in item (i). However, this is limited to when that person is 65 years of age or older but less than 70 years of age and is in a state of disability to the extent of falling under the disability grade prescribed in Article 30, paragraph (2) of that Act, or when that person is 70 years of age or older.

②For a person whose amount of the old-age basic pension is calculated pursuant to the provisions of the preceding paragraph, the phrase "the amount specified in that Article" in Article 28, paragraph (4) of the National Pension Act is deemed to be replaced with "the amount specified in Article 17, paragraph (1) of the Supplementary Provisions of the Act Partially Amending the National Pension Act, etc. (Act No. 34 of 1985; hereinafter referred to as the '1985 Amendment Act')", and the phrase "the amount specified in that Article" in Article 9-2, paragraph (4) of the Supplementary Provisions of that Act is deemed to be replaced with "the amount specified in Article 17, paragraph (1) of the Supplementary Provisions of the 1985 Amendment Act".

③The revision of the amount of the old-age basic pension where a ground has arisen for starting or discontinuing the addition under paragraph (1) is made from the month following the month in which that ground arose, respectively.