If the city council elects to simultaneously adopt a new zoning regulation for the area to be annexed, the rezone and any related Comprehensive Plan amendment shall be referred to the planning commission and the procedure for rezones and plan amendments set forth in these regulations shall be utilized. The referral shall be made at such a time as an annexation petition is certified by the planning department. (Ord. 1499 § 12 (Exh. J), 2021; Ord. 1071, 1999. Formerly 17.158.110).