(a) A regional planning commission may be created at any time by the act of the voters or the legislative body of each of a number of contiguous municipalities, upon the written approval of the Agency of Commerce and Community Development. Approval of a designated region shall be based on whether the municipalities involved constitute a logical geographic and a coherent socioeconomic planning area. All municipalities within a designated region shall be considered members of the regional planning commission. For the purpose of a regional planning commission’s carrying out its duties and functions under State law, such a designated region shall be considered a political subdivision of the State.
(b) Two or more existing regional planning commissions may be merged to form a single commission by act of the legislative bodies in a majority of the municipalities in each of the merging regions.
(c) A municipality may move from one regional planning commission to another regional planning commission on terms and conditions approved by the Secretary of Commerce and Community Development.