If, at any time, the rates fixed by city ordinance from time to time shall not be sufficient to provide the necessary funds to meet all the requirements of Ordinance Number 176, passed and approved November 19, 1951, authorizing the issuance of waterworks revenue bonds of the city in the sum of two hundred fifteen thousand dollars ($215,000.00), and Ordinance Number 239, passed and approved October 3, 1960, authorizing the issuance of waterworks revenue bonds of the city in the sum of two hundred sixty thousand dollars ($260,000.00), the rates established shall be revised so as to fully meet the requirements of said ordinances. (Amended during 1997 codification; prior code § 38-2-4)