With respect to notifications, etc., in the case where a labor and social security attorney or a labor and social security attorney corporation (hereinafter referred to as a "labor and social security attorney, etc." in this Article) makes the notifications, etc. on behalf of an employer based on the provisions of item (i)-2 of paragraph (1) of Article 2 of the Certified Social Insurance and Labor Consultant Act (Act No. 89 of 1968), using the electronic data processing system provided in paragraph (1) of Article 6 of the Information and Communications Technology Utilization Act pursuant to the provisions of paragraph (1) of Article 57 (limited to the case falling under item (iii) of that paragraph) or paragraph (2) of that Article or paragraph (1) of Article 6 of the Information and Communications Technology Utilization Act, the labor and social security attorney, etc. must transmit, together with those notifications, etc., an electronic or magnetic record capable of certifying that the labor and social security attorney, etc. has concluded a contract to perform the duties of the employer on the employer's behalf.