Miss. Code Ann. § 79-29-229: Abandonment of a merger.

(1) Unless otherwise provided in an agreement of merger or in the laws under which a domestic or foreign entity that is a party to a merger is organized or by which it is governed, after the agreement of merger has been adopted and approved as required by this chapter, and at any time before the merger has become effective, it may be abandoned by any party thereto without action by the party’s owners of interests, in accordance with any procedures set forth in the agreement of merger or, if no such procedures are set forth in the agreement of merger, in the manner determined by the entity subject to any contractual rights of other parties to the merger.

(2) If a merger is abandoned under subsection (1) of this section after a certificate of merger has been filed with the Secretary of State but before the merger has become effective, a statement that the merger has been abandoned in accordance with this subsection, executed on behalf of a party to the merger by any authorized person shall be delivered to the Secretary of State for filing prior to the effective date of the merger. Upon filing, the statement shall take effect and the merger shall be deemed abandoned and shall not become effective.