This Act comes into effect on November 1, 1959; provided, however, that the provisions of Chapter II, Article 74, Article 75 and Article 4 through Article 8 of the Supplementary Provisions come into effect on October 1, 1960, the provisions of Article 76 through Article 79, the part of Chapter VI concerning premiums, and Article 2 of the Supplementary Provisions come into effect on April 1, 1961, and the provisions of Article 3, paragraph (1) of the Supplementary Provisions come into effect on the day of promulgation.

With respect to the level of the basic pension, the manner of bearing its costs, and other matters, a review is to be conducted in the future, taking into consideration changes in social and economic conditions, the types of households, and other factors.

When applying the provisions concerning benefits to a person who was an insured person during the period from October 1, 1960 to March 31, 1961, that person is deemed to not have been an insured person during that period.

For the time being, for the purpose of applying the provisions of Article 7, paragraph (1), item (ii), the phrase "an insured person under" in that item is deemed to be replaced with "an insured person under (in the case of a person 65 years of age or older, limited to an insured person who does not have the right to receive the benefit specified by Cabinet Order and prescribed in Article 4-3, paragraph (1) of the Supplementary Provisions of the Employees' Pension Insurance Act)".

For the time being, for the purpose of applying the provisions of Article 9, item (v), the phrase "excluding when it falls under it.)" in that item is deemed to be replaced with "excluding when it falls under it.) or upon reaching 65 years of age (excluding when the person falls under Article 7, paragraph (1), item (ii) as replaced pursuant to the provisions of Article 3 of the Supplementary Provisions.)".

①A person falling under any of the following items (excluding a category 2 insured person and a category 3 insured person) may, notwithstanding the provisions of Article 7, paragraph (1), apply to the Minister of Health, Labour and Welfare and become an insured person.

②Where a person falling under item (i) or item (ii) of the preceding paragraph intends to make a request under the provisions of that paragraph, the person must make, to the Minister of Health, Labour and Welfare, a request stating that the person wishes for payment by account transfer, or a request stating that the case falls under a case specified by Order of the Ministry of Health, Labour and Welfare as a case where there is a justifiable reason for not making payment by account transfer.

③A person who has made a request under the provisions of the preceding paragraph (in the case of a person listed in item (iii) of paragraph (1), under the provisions of that paragraph) is to acquire status as an insured person on the day on which the person made that request.

④An insured person under the provisions of paragraph (1) may, at any time, apply to the Minister of Health, Labour and Welfare and lose status as an insured person.

⑤An insured person under the provisions of paragraph (1) loses status as an insured person on the day following the day on which the person comes to fall under Article 9, item (i), or on the day on which the person comes to fall under any of the following items.

⑥An insured person who is a person listed in item (i) of paragraph (1) loses status as an insured person, in addition to under the provisions of the preceding paragraph, on the day following the day on which the person comes to fall under any of the following items (or, where the person acquires status as an insured person again on the day on which the person comes to fall under item (i), or comes to fall under item (ii) or item (iii), on that day).

⑦An insured person who is a person listed in item (ii) of paragraph (1) loses status as an insured person, in addition to under the provisions of paragraph (5), on the day following the day on which the person comes to fall under any of item (i), item (iv) and item (v) of the preceding paragraph (or, where the person acquires status as an insured person again on the day on which the person comes to fall under item (i) of that paragraph, on that day).

⑧An insured person who is a person listed in item (iii) of paragraph (1) loses status as an insured person, in addition to under the provisions of paragraph (5), on the day following the day on which the person comes to fall under any of the following items (or, where the person acquires status as an insured person again on the day on which that fact occurred, on that day).

⑨An insured person under the provisions of paragraph (1) is, for the purpose of applying the provisions of Article 87-2, deemed to be a category 1 insured person, and the insured period as that insured person is deemed to be, for the purpose of applying the provisions of Article 5, paragraph (1), the insured period as an insured person prescribed in Article 7, paragraph (1), item (i), and, for the purpose of applying the provisions of Article 49 through Article 52-6 and Article 9-3 and Article 9-3-2 of the Supplementary Provisions, the insured period as a category 1 insured person, respectively.

⑩The provisions of Article 88-2 through Article 90-3 do not apply to an insured person under the provisions of paragraph (1).

⑪An insured person under the provisions of paragraph (1) (excluding a person listed in item (i) of that paragraph; the same applies in paragraph (13)) is, for the purpose of applying the provisions of Article 116, paragraphs (1) and (2), and Article 127, paragraph (1), deemed to be a category 1 insured person.

⑫An insured person under the provisions of paragraph (1) (limited to a person listed in item (iii) of that paragraph) may, notwithstanding the provisions of Article 127, paragraph (1), apply to the regional fund for the district in which the person had an address, or the occupation-based fund of which the person was a member, and become a member of the regional fund or the occupation-based fund. In this case, for the purpose of applying the provisions of Article 116, paragraphs (1) and (2), and Article 127, paragraph (3), the phrase "a person who has" in Article 116, paragraph (1) is deemed to be replaced with "a person who has or had", the phrase "a person engaged in" in paragraph (2) of that Article is deemed to be replaced with "a person engaged in or who was engaged in", the phrase "a member of the regional fund" in Article 127, paragraph (3), item (ii) is deemed to be replaced with "a member of the regional fund (excluding a person who became a member under the provisions of Article 5, paragraph (12) of the Supplementary Provisions)", and the phrase "a member of the occupation-based fund" is deemed to be replaced with "a member of the occupation-based fund (excluding a person who became a member under the provisions of that paragraph)".

⑬For the purpose of applying the provisions of Article 130, paragraph (2) (excluding a case where it is applied mutatis mutandis under Article 137-17, paragraph (5)) and Article 34, paragraph (4), item (i) 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"), in a case where an insured person under the provisions of paragraph (1) is an early leaver and has again become a member of the original National Pension Fund, the phrase "the period during which the person was a member of that fund" in Article 130, paragraph (2) is deemed to be replaced with "the period during which the person was a member of that fund, excluding the period that is the basis for calculating the amount of the pension or lump-sum payment for which the National Pension Fund Association (meaning the National Pension Fund Association prescribed in Article 137-4) is liable to pay", the phrase "means the membership period prescribed in Article 130, paragraph (2) of that Act; the same applies below in this item" in Article 34, paragraph (4), item (i) of the Supplementary Provisions of the 1985 Amendment Act is deemed to be replaced with "means the membership period prescribed in Article 130, paragraph (2) of that Act as applied by replacing terms under the provisions of Article 5, paragraph (13) of the Supplementary Provisions of that Act", and the phrase "the number of months of the membership period" is deemed to be replaced with "the number of months of the period during which the person was a member". In this case, the provisions of Article 137-18 do not apply.

Where a person who is a category 1 insured person comes to fall under a person who is entitled to receive old-age benefits, etc. under the Employees' Pension Insurance Act, if the person has, under the provisions of Article 93, paragraph (1), prepaid, for the period from and after the month that includes the day on which the person came to fall under it, the premiums that the person would have been liable to pay had the person not come to fall under it, or has paid those premiums by the last day of April first occurring after the month that includes the day on which the person came to fall under it, the person is deemed to have made the request under paragraph (1) of the preceding Article on the day on which the person came to fall under it.

Where the right to collect premiums under the Employees' Pension Insurance Act, with respect to an insured period of Employees' Pension Insurance, has been extinguished by prescription (excluding a case falling under the proviso to Article 75 of that Act), the insured period as a category 2 insured person for the months that were the basis for calculating the insured period of Employees' Pension Insurance to which those premiums relate is not, notwithstanding the provisions of Article 5, paragraph (1), included in the premium-paid period. The same applies to the insured period as a category 3 insured person of the spouse of that person for the months that were the basis for calculating the insured period of Employees' Pension Insurance, in a case where the spouse of that person is a category 3 insured person.