An application for exemption from the continuous inspection requirements must be made in writing on forms approved by the Administrator and filed with the inspection service. [36 FR 9814, May 28, 1971. Redesignated at 42 FR 32514, June 27, 1977, and further redesignated at 46 FR 63203, Dec. 31, 1981, as amended at 47 FR 745, Jan. 7, 1982]