①This Act comes into effect on the date of promulgation; provided, however, that the provisions set forth in the following items come into effect on the dates specified respectively in those items:

②The provisions set forth in the following items apply from the dates specified respectively in those items:

The provisions then in force continue to govern the amount of benefits in the form of a pension under the National Pension Act (excluding the additional pension) and of benefits in the form of a pension prescribed in Article 32, 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"), for months up to and including September 1994.

①A person who, before the effective date, has had the right to receive a disability basic pension under the National Pension Act (excluding a disability basic pension under the provisions of Article 30-4 of that Act) (excluding a person who has the right to receive that disability basic pension on the effective date) may, if, because of the injury or illness that was the ground for payment of that disability basic pension, the person is, on the effective date, in a state of disability to the extent of falling under a disability grade prescribed in Article 30, paragraph (2) of that Act (hereinafter simply referred to as a "disability grade" in this Article), or comes to be in a state of disability to the extent of falling under a disability grade during the period from the day following the effective date to the day before the day on which the person reaches 65 years of age, claim payment of the disability basic pension under Article 30, paragraph (1) of that Act during the period from the effective date (or, for a person who is not in a state of disability to the extent of falling under a disability grade on the effective date, from the time the person comes to be in a state of disability to the extent of falling under a disability grade) to the day before the day on which the person reaches 65 years of age.

②A person who, before the effective date, has had the right to receive a disability pension under the National Pension Act before its amendment by the provisions of Article 1 of the 1985 Amendment Act (hereinafter referred to as the "Former National Pension Act") (excluding a disability welfare pension under the Former National Pension Act; hereinafter referred to as a "disability pension under the former Act" in this paragraph) (excluding a person who has the right to receive that disability pension under the former Act on the effective date) may, if, because of the injury or illness that was the ground for payment of that disability pension under the former Act, the person is, on the effective date, in a state of disability to the extent of falling under a disability grade, or comes to be in a state of disability to the extent of falling under a disability grade during the period from the day following the effective date to the day before the day on which the person reaches 65 years of age, claim payment of the disability basic pension under Article 30, paragraph (1) of the National Pension Act during the period from the effective date (or, for a person who is not in a state of disability to the extent of falling under a disability grade on the effective date, from the time the person comes to be in a state of disability to the extent of falling under a disability grade) to the day before the day on which the person reaches 65 years of age.

③A person who, before the effective date, has had the right to receive a disability employees' pension under the Employees' Pension Insurance Act, or a disability pension under the Employees' Pension Insurance Act before its amendment by the provisions of Article 3 of the 1985 Amendment Act (hereinafter referred to as the "Former Employees' Pension Insurance Act") (including a disability pension that the government, as the administrator of Employees' Pension Insurance, is to pay pursuant to the provisions of Article 87, paragraph (2) of the Supplementary Provisions of the 1985 Amendment Act, and a pension specified by Cabinet Order as equivalent to it), or a disability mutual aid pension or a disability pension paid by a mutual aid association organized under an Act (hereinafter simply referred to as a "mutual aid association") (hereinafter referred to as "disability employees' pensions, etc." in this paragraph) (excluding a person who has the right to receive those disability employees' pensions, etc. on the effective date) may, if, because of the injury or illness that was the ground for payment of those disability employees' pensions, etc., the person is, on the effective date, in a state of disability to the extent of falling under a disability grade, or comes to be in a state of disability to the extent of falling under a disability grade during the period from the day following the effective date to the day before the day on which the person reaches 65 years of age (excluding a case falling under paragraph (1)), claim payment of the disability basic pension under Article 30, paragraph (1) of the National Pension Act during the period from the effective date (or, for a person who is not in a state of disability to the extent of falling under a disability grade on the effective date, from the time the person comes to be in a state of disability to the extent of falling under a disability grade) to the day before the day on which the person reaches 65 years of age.

④When a claim under the preceding three paragraphs has been made, notwithstanding the provisions of Article 30, paragraph (1) of the National Pension Act, the disability basic pension under that paragraph is paid to the person who made that claim.

⑤The provisions of paragraph (1) apply mutatis mutandis to a person who, before the effective date, has had the right to receive a disability basic pension under the provisions of Article 30-4 of the National Pension Act.

⑥The provisions of paragraph (2) apply mutatis mutandis to a person who has had the right to receive a disability welfare pension under the Former National Pension Act (excluding a right extinguished pursuant to the provisions of Article 25, paragraph (3) of the Supplementary Provisions of the 1985 Amendment Act).

⑦When a claim under paragraph (1) or (2) as applied mutatis mutandis pursuant to the preceding two paragraphs has been made, notwithstanding the provisions of Article 30-4, paragraph (1) of the National Pension Act, the disability basic pension under that paragraph is paid to the person who made that claim.

The provisions then in force continue to govern the suspension of payment of disability basic pensions for months up to and including July 1995.

①A person who has suffered an illness or been injured, who, on the day on which the person first received medical examination or treatment from a physician or dentist for that illness or injury and an illness resulting from it (hereinafter referred to as an "injury or illness" in this paragraph) (limited to a day falling within the period from April 1, 1961 to March 31, 1986; hereinafter referred to as the "date of first medical examination" in this paragraph), was an insured person of the National Pension, an insured person of Employees' Pension Insurance, an insured person of Mariners Insurance (excluding an insured person under the provisions of Article 19-3 of the Mariners Insurance Act (Act No. 73 of 1939) before its amendment by the provisions of Article 5 of the 1985 Amendment Act) or a member of a mutual aid association (including a voluntarily continuing member of the Mutual Aid Association for Personnel of Agriculture, Forestry and Fishery Organizations), and who has never had, with respect to the disability caused by that injury or illness, the right to receive a disability basic pension, or a benefit in the form of a pension whose ground for payment is disability among the benefits in the form of a pension under the mutual aid Acts before the 2012 amendment prescribed in Article 11, paragraph (3) of the Supplementary Provisions of the 1985 Amendment Act, or any other benefit in the form of a pension whose ground for payment is disability that is specified by Cabinet Order, may, if, because of that injury or illness, the person is, on the effective date, in a state of disability to the extent of falling under a disability grade prescribed in Article 30, paragraph (2) of the National Pension Act (hereinafter simply referred to as a "disability grade" in this paragraph), or comes to be in a state of disability to the extent of falling under a disability grade during the period from the day following the effective date to the day before the day on which the person reaches 65 years of age, claim payment of the disability basic pension under Article 30-4, paragraph (1) of that Act during the period from the effective date (or, for a person who is not in a state of disability to the extent of falling under a disability grade on the effective date, from the time the person comes to be in a state of disability to the extent of falling under a disability grade) to the day before the day on which the person reaches 65 years of age. However, this does not apply if, on the day before the date of first medical examination relating to that injury or illness, the person has an insured period of the National Pension up to the month two months before the month in which that date of first medical examination falls (including an insured period relating to a period deemed to be a period as an insured person of the National Pension under the provisions of other laws and regulations, and an insured period relating to a period deemed to be an insured period of the National Pension pursuant to the provisions of Article 8, paragraph (2) of the Supplementary Provisions of the 1985 Amendment Act), and the period obtained by combining the former premium-paid period prescribed in Article 8, paragraph (1) of the Supplementary Provisions of the 1985 Amendment Act (including a period deemed to be a premium-paid period pursuant to the provisions of paragraph (2) of that Article) and the former premium exemption period prescribed in paragraph (1) of that Article, relating to that insured period, is less than two-thirds of that insured period.

②When the claim under the preceding paragraph has been made, notwithstanding the provisions of Article 30-4, paragraph (1) of the National Pension Act, the disability basic pension under that paragraph is paid to the person who made that claim.