①If an employees' pension for surviving family is paid to a person other than the spouse and there is any increase or decrease in the number of beneficiaries, the amount of the employees' pension for surviving family is revised from the month following the month in which the number increased or decreased.

②If, as of the day on which the beneficiary of an employees' pension for surviving family of an amount calculated pursuant to the provisions of paragraph (1), item (i) of the preceding Article (limited to one for the spouse) acquired the right to receive benefits from an employees' old-age pension, the amount arrived at when the amounts specified in item (ii), (a) and (b) of that paragraph are added together exceeds the amount prescribed in item (i) of that paragraph, amount of pension is revised to the relevant sum total from the month following the month that includes the day on which the person acquired the right to receive benefits from the employees' old-age pension.

③If the amount of the employees' old-age pension that forms the basis for calculating the amount of an employees' pension for surviving family that is calculated pursuant to the provisions of paragraph (1), item (ii) of the preceding Article is revised pursuant to the provisions of Article 43, paragraph (2) or (3), the amount of the employees' pension for surviving family is revised from the month of the revision of the employees' old-age pension; provided, however, that this does not apply if the amount calculated pursuant to the provisions of paragraph (1), item (i) of the preceding Article is equal to or more than the total amount under item (ii), (a) and (b) of that paragraph which is computed based on the revised amount of the relevant employees' old-age pension.