All vehicles shall be kept in a clean and sanitary condition and shall be thoroughly cleaned each day that they are used. No person shall permit stale food, decaying matter or any other waste or material to accumulate in or on any vehicle while it is used. If foodstuffs not in covered containers or not adequately protected in wrappings are transported in any vehicle, the goods shall be carried in a portion or compartment of the vehicle which is screened and protected against dust and insects.
(Prior Code, § 115.004) Penalty, see § 115.999