(A) Any land hereinafter annexed to the City of Sunset Valley, Texas shall immediately and automatically upon such annexation be temporarily classified as "SF" (Single Family Residential).
(B) Classifications originating upon annexation shall be noted on the Official Zoning District Map in accordance with § 150.083.
(C) The Zoning Commission and the City Council shall, as soon as practicable after the annexation of any territory to the city, institute proceedings to give the newly annexed territory a permanent zoning classification. The procedure to be followed is provided in this chapter of this Code.
(D) Land which has been annexed to the city shall be subject to all zoning provisions of the Code upon the effective date of such annexation.