Where, notwithstanding that the right to receive a pension benefit has been extinguished because the person entitled to receive the pension benefit has died, an erroneous payment of that pension benefit has been made for the portion from the month following the month in which the day of that death falls, if there is a pension benefit to be paid to a person who is to perform the obligation pertaining to the claim for repayment relating to that erroneous payment (hereinafter in this Article referred to as a "claim for repayment"), the amount of the payment of that pension benefit may be applied to the amount of the claim for repayment arising from that erroneous payment, as specified by Order of the Ministry of Health, Labour and Welfare.