Mississippi Code
Chapter 23 - Mississippi Uniform Environmental Covenants Act
§ 89-23-19. Amendment or termination of environmental covenant; consent

An environmental covenant may be amended or terminated by consent only if the amendment or termination is signed by:
If an interest in real property is subject to an environmental covenant, the interest is not affected by an amendment of the covenant unless the current owner of the interest consents to the amendment or has waived in a signed record the right to consent to amendments.
Except for an assignment undertaken pursuant to a governmental reorganization, assignment of an environmental covenant to a new holder is an amendment.
Except as otherwise provided in an environmental covenant:
A holder may not assign its interest without consent of the other parties;
A holder may be removed and replaced by agreement of the other parties specified in subsection (a); and
A court of competent jurisdiction may fill a vacancy in the position of holder.