The assessments as set forth in this division shall be paid by certified funds at the time of issuance of a certificate of occupancy for such new construction, except as provided in section 78-123. Except as provided in section 78-34, a building permit shall not be issued unless a sewer permit has been first obtained. The amount of the assessment shall be determined in accordance with the rates established in section 78-121 in effect at the time a sewer permit is issued by the city. A sewer permit shall not be issued until a city sewer main line is placed within 150 feet of the applicant's property. If the assessment is not paid by the 30th day following that for which a billing has been rendered, then an amount equal to five percent of such assessment due shall be added thereto as a late charge. Upon failure of any user to pay for the assessment within 60 days from being billed, the city shall shut off or cause to be shut off the connection of such user and shall not furnish him or permit him to receive from the system further service until all obligations owed by him to the city on account of the services shall have been paid in full. If such sewer service is shut off pursuant to this section, then before such service shall be restored, the user thereof shall pay a reinstatement fee in the amount as set forth in Appendix B to this code in addition to any other assessments and charges due. In addition [to], and as an alternative means of, collecting such assessment, last charges and penalties, the city shall have a lien on such lot or parcel of land for which the sewer connection has been made, for which such lien shall be of equal dignity with the lien of state and county and municipal taxes. Such lien may be foreclosed by the city in the same manner provided by the laws of the state for the foreclosure of mortgages upon real estate.