1157.13 ANNEXATION.
   All land annexed to the Municipality subsequent to the adoption of the Zoning Ordinance shall remain subject to the previous Township zoning district until such time as the official Zoning Map is amended according to the provision of this chapter. All land annexed to the Municipality which, prior to annexation, is not subject to Township zoning shall remain unzoned until the Official Zoning Map is amended according to the provision of this chapter.