On land hereafter annexed into the Village of Wintersville, no building or structure shall be erected, enlarged, or moved and no change in the land or existing buildings or structures shall be made until an Ordinance designating the zoning district classification of such unannexed land is duly adopted by the Legislative Body. Within 30 days, the Planning Commission shall file an application for an amendment to establish the zoning district classification of such land. However, if no action is taken regarding the classification of annexed land within 90 days, such land shall acquire the A2 District classification and shall remain so zoned until properly reclassified.