The Health Inspector shall conduct periodic inspections of all milk distribution plants, dairies, vehicles, and equipment used in the sale or distribution of milk as well as of the milk itself. Such inspections shall be made ever quarter and as much oftener as the said Health Inspector deems necessary. The Inspector may in his discretion, in lieu of inspection, accept the certificate of inspection of any other city or village having equal or more rigid requirements than provided by this subchapter. The licensees shall pay the cost of all bacteriological inspections and tests necessary.
('70 Code, § 2.2.11.14)