(a) Except as provided in Subsection (b) of this section, this chapter may not be amended except by a proposal initiated by either the board or the city council that results in an ordinance approved by the board, adopted by the city council, and approved by a majority of the voters voting at a general or special election.
(b) A provision of this chapter, other than this section, that is determined by the board to require amendment in order to comply with federal law may be amended by ordinance of the city council, without voter approval, upon recommendation of the board. The board shall recommend the exact amending language to be included in the ordinance, which language may not be limited or added to by the city council. An amendment may be made under this subsection only to the extent necessary to comply with federal law. (Ord. Nos. 15414; 20960; 21582; 25695; 30162)