Sec. 274.1. Charges for special services required to be filed

Every gas, electric, gas and electric corporation and every municipality providing gas or electric service is hereby directed and required to file amendments to its tariff schedules to be effective not later than November 15, 1948 on not less than 30 days' notice to the public and this commission setting forth the charges that will be made for each and every service performed for a customer or an applicant for service, except service directly connected with the installation of appliances sold by such corporation or municipality or directly connected with jobbing work performed as an agent under an agency contract, whereby the corporation or municipality undertakes to do jobbing work for a stipulated profit or commission provided, however, that corporations or municipalities who now have such charges set forth in their tariff schedules need not refile such provisions.