(A) If the legislative body shall desire to amend any existing chapter or section of this code, the chapter or section shall be specifically repealed and a new chapter or section, containing the desired amendment, substituted in its place.
(B) Ordinances and parts of ordinances of a permanent and general nature passed or adopted on and after the most recent ordinance included in this code of ordinances may be passed or adopted either in the form of amendments to this code of ordinances or without specific reference to the code, but in either case all ordinances and parts of ordinances shall be deemed amendments to the code, and all of the substantive permanent and general parts of the ordinances and changes made thereby in the code shall be inserted and made in the code whenever authorized or directed by motion, resolution or ordinance of the City Council, as provided hereinafter.