When a metropolitan government charter commission is created, as provided in § 7-2-101, no municipality and no public service district, including, but not limited to, a utility district, sanitary district or school district, shall thereafter be created in the county proposed to be included in such consolidation, unless and until the proposed charter of metropolitan government shall have been rejected by voters in a referendum election as provided in § 7-2-106, or unless and until a charter has been adopted by the voters in a referendum election as provided in § 7-2-106 with provisions permitting such municipalities or public service districts as described in § 7-1-103.