All driver's permits and badges issued as provided in this chapter shall expire on the thirty-first day of December next following the date of issuance unless previously suspended or revoked. All driver's permits and temporary driver's permits authorized to be issued under this chapter shall be effective only while the driver to whom such permit is issued is employed by a carrier holding a valid permit issued pursuant to Section 5.32.020. Upon termination of his employment with such carrier, the driver's permit or temporary driver's permit shall be automatically suspended and shall become effective again only when and if such driver shall again be reemployed by such a carrier during the term for which the driver's permit or temporary driver's permit was issued.
(Prior code § 5.28.400 (Ord. 309 § 20(i), 1948))