In the case where the standardized monthly amount of remuneration under the former Mariners Insurance Act is deemed to be the standardized monthly amount of remuneration under the Employees' Pension Insurance Act pursuant to the provisions of Article 49 of the Supplementary Provisions, when calculating the average standardized monthly amount of remuneration for the insurance benefits to be paid to a person who was an insured under Mariners Insurance before November 1, 1969 and who has come to have the right to receive insurance benefits under the Employees' Pension Insurance Act on or after the Effective Date, if any of the standardized monthly amounts of remuneration forming the basis of the calculation is less than 12,000 yen, it is deemed to be 12,000 yen.