Commercial vehicles engaged in the expeditious pick-up or delivery of merchandise may stop in a vacant space adjacent to a single-space parking meter that is in active operation or in a vacant space controlled by a multi-space parking meter that is in active operation, at any time before10 a.m., without payment. City Code, 1966, art. 31, §197 1976/83, art. 31, §141 Ord. 55-1346 Ord. 06-198