This Act comes into effect on the date of promulgation; provided, however, that the provisions listed in item (i) come into effect on December 1, 1966, and the provisions listed in item (ii) come into effect on January 1, 1967.

①For a person who acquired the right to receive an aggregated old-age pension, disability pension, mother-and-child pension, quasi-mother-and-child pension or orphan's pension before January 1, 1967 and has continuously had that right to receive up to that day, the amount of that pension is revised, from that month, to the amount calculated by applying the provisions of Article 28, paragraph (3) as applied mutatis mutandis pursuant to Article 29-5, Article 33, Article 38 (including as applied mutatis mutandis pursuant to Article 41-3) or Article 43, as amended by this Act, respectively.

②If, on December 1, 1966, a wife, or a grandmother or elder sister, who has the right to receive a mother-and-child pension or quasi-mother-and-child pension shares a livelihood with a child who meets the requirements prescribed in Article 37, paragraph (1), or with a grandchild or younger sibling who meets the requirements prescribed in Article 41-2, paragraph (2), and who is in a state of disablement of the degree specified in the Appended Table as amended by this Act (excluding a state of disablement of the degree specified in that Table prior to the amendment by this Act) (excluding one who constitutes a requirement for payment of that mother-and-child pension or quasi-mother-and-child pension or who is the subject of an addition to its amount), the amount of that mother-and-child pension or quasi-mother-and-child pension is revised, from January 1967, according to the number of those children, or grandchildren or younger siblings.

①If a person who has contracted a disease or sustained an injury and who falls under any of the following items is, on December 1, 1966, in a state of disability of the degree specified in the Appended Table as amended by this Act due to that injury or illness, whose disability recognition date is before that day, then, notwithstanding the provisions of Article 30, paragraph (1) as amended by this Act, the disability pension under that Article is paid to that person; provided, however, that for a person who has acquired the right to receive a disability pension relating to that injury or illness before December 1, 1966, this is limited to cases where the person is, on that day, in a state of disability of the degree specified in that Table as amended by this Act (excluding a state of disability of the degree specified in that Table prior to the amendment by this Act) due to that injury or illness.

②If a person who is in a state of disability due to an injury or illness whose date of first medical examination was before the day on which the person reaches 20 years of age (excluding a person who, on the date of first medical examination for that injury or illness before the day on which the person reaches 20 years of age, fell under any of items (i) through (iv) of Article 7, paragraph (2)) contracts a further disease or sustains a further injury on or after the day on which the person reached 20 years of age, falls under any of the items of the preceding paragraph, the disability recognition date for the newly arising injury or illness is before December 1, 1966, and the person is, on that day, in a state of disability of the degree specified in the Appended Table as amended by this Act when the earlier and later disabilities are combined, then, notwithstanding the provisions of the main clause of Article 30, paragraph (2) as amended by this Act, the disability pension under that Article is paid to that person. In this case, the provisions of the proviso to the preceding paragraph apply mutatis mutandis.

③With regard to a person born on or before April 1, 1941 (a person who was over 20 years of age on April 1, 1961), the phrases "the day on which the person reaches 20 years of age" and "the day on which the person reached 20 years of age" in the preceding paragraph are each deemed to be replaced with "April 1, 1961".

④A person who has contracted a disease or sustained an injury, whose date of first medical examination is before December 1, 1966, and who met the requirement of Article 30, paragraph (1), item (i) prior to the amendment by this Act is, with regard to the application of the provisions of Article 30 as amended by this Act, deemed to meet the requirements of the items of paragraph (1) of that Article even if the person does not meet them.

①If a wife (including a person who has not filed a notification of marriage but is in circumstances equivalent to a de facto marital relationship; the same applies hereinafter) who was an insured person on the date of death of her husband (including a person who has not filed a notification of marriage but is in circumstances equivalent to a de facto marital relationship; the same applies hereinafter), who falls under any of the following items, and whose livelihood was maintained by her husband at the time of his death, other than a wife prescribed in Article 2, paragraph (2) of the Supplementary Provisions, on December 1, 1966, shares a livelihood with a child of the husband or the wife who is under 18 years of age, or who is under 20 years of age and in a state of disablement of the degree specified in the Appended Table as amended by this Act (limited to a child whose livelihood was maintained by the husband at the time of his death), then, notwithstanding the provisions of Article 37, paragraph (1) as amended by this Act, the mother-and-child pension under that Article is paid to her; provided, however, that for a wife who has previously been a person entitled to receive a mother-and-child pension, this is limited to cases where, on that day, she shares a livelihood with a child of the husband or the wife who is in a state of disablement of the degree specified in that Table as amended by this Act (excluding a state of disablement of the degree specified in that Table prior to the amendment by this Act) and who is 18 years of age or older but under 20 years of age (limited to a child whose livelihood was maintained by the husband at the time of his death).

②The provisions of the preceding paragraph do not apply when the wife falls under any of the following items.

③When a woman (excluding a grandmother or elder sister prescribed in Article 2, paragraph (2) of the Supplementary Provisions) who, at the time of the death of her husband, male child, father or grandfather who was an insured person on the date of death and fell under any of the items of paragraph (1), had her livelihood maintained by that deceased person is, on December 1, 1966, in the quasi-mother-and-child state prescribed in Article 41-2, paragraph (2) (limited to a case where the grandchild or younger sibling prescribed in that paragraph is under 18 years of age, or is under 20 years of age and in a state of disablement of the degree prescribed in the Appended Table as amended by this Act), a quasi-mother-and-child pension under that Article is paid to her, notwithstanding the provisions of Article 41-2, paragraph (1) as amended by this Act; provided, however, that for a woman who has been a person entitled to receive a quasi-mother-and-child pension, this is limited to a case where, on that day, she shares a livelihood with a grandchild or younger sibling who is in a state of disablement of the degree prescribed in that Table as amended by this Act (excluding a state of disablement of the degree prescribed in that Table before its amendment by this Act) and who is 18 years of age or older and under 20 years of age (limited to a person whose livelihood was maintained by the deceased person at the time of the deceased person's death).

④The provisions of the preceding paragraph do not apply when the woman falls under any of the following items.