Whenever a hearing is held under the provisions of sections 19-4015 to 19-4038, the city council shall: (1) Hear all protests and receive evidence for or against the proposed action;
(2) Rule upon all written protests received prior to the close of the hearing, which ruling shall be final; and
(3) Continue the hearing from time to time as the city council may deem necessary. If a special assessment is to be used, proceedings shall terminate if written protest is made prior to the close of the hearing by the record owners of over fifty percent of the assessable units in the proposed district. If an occupation tax is to be used, proceedings shall terminate if protest is made by over fifty percent of the users of space in the proposed district.