This code is the general and permanent law of the city. The council may enact three types of general ordinances to affect this code. Such ordinances may: (l) amend existing provisions; (2) add new provisions; or (3) repeal existing provisions. A general ordinance shall specifically amend or repeal a particular section of this code, and a general ordinance creating a new Code section shall integrate the new section into the numbering system and organization of this code.