It shall be the duty of the designated city law enforcement officer, to make, from time to time, a thorough and systematic examination of the sanitary conditions of the city and to ascertain and report to the proper authority for the prosecution of violations of this chapter. No search of any house, store, or building shall be made without lawful authority or permission of the owner. (Ord. 101, 6-2-1992: Ord. 7, 1958)