This title shall be in full force and effect in the corporate limits of the city. Territory annexed to the corporate limits of the city, subsequent to the effective date hereof, shall immediately be subject to the provisions of this title and shall be designated as in the agricultural district A, unless otherwise classified by the city commission at the time of annexation or addition. In case any portion of this title shall be held to be invalid or unconstitutional, the remainder of the title shall not thereby be invalid, but shall remain in full force and effect. Any ordinance now in effect that conflicts with any provision of this title is hereby repealed. (2010 Code § 22-15)