Miss. Code § 19-29-11
Upon the appointment and qualification of the commissioners first appointed to a regional railroad authority, they shall submit to the Secretary of State a certified copy of each resolution adopted pursuant to subsection (1) of Section 19-29-9 by the counties included in the regional authority. Upon receipt thereof, the Secretary of State shall issue a certificate of incorporation to the regional railroad authority.
When a regional railroad authority is increased or decreased pursuant to subsections (2) and (3) of Section 19-29-9, it shall forward to the Secretary of State a certified copy of each resolution adopted pursuant thereto and, upon receipt thereof, the Secretary of State shall issue an amended certificate of incorporation in accordance therewith.
Miss. Code § 19-29-11