It is unlawful for any Person to operate, or cause or permit to be operated, upon or along the streets of the City any vehicle used primarily for advertising purposes, unless the operator or Owner of such vehicle shall have first obtained a permit from the City Engineer and then only on the days and during the hours and along such route as shall have been designated in the permit. The City Engineer shall cause a copy of such permit to be filed in the office of the Chief of Police. Such vehicles shall be prohibited in any residential area subject to the restrictions set forth in CVMC 5.08.030 through 5.08.060. (Ord. 973 § 1, 1966; prior code § 19.16.3).