The council shall, within one (1) year after the adoption of this charter, and every ten (10) years thereafter, arrange for the codification of all ordinances and resolutions having a regulatory effect or of general application that are to be continued in force. Current loose-leaf editions of the official code shall be maintained and be made available for purchase by the public at a reasonable fee established by the council. The code shall carry notes and cumulative references indicating prior amendments to any section thereof. Copies of the official code may be certified by the city clerk, and when so certified shall be competent evidence in all courts and legally established tribunals as to the matters contained therein.