Notwithstanding anything to the contrary contained in this Plan, the obligation of the Institution to make Institution Plan Contributions is subject to the provisions of Article X relating to the amendment and termination of the Plan, provided that no amendment or termination will affect any obligation of the Institution to make Institution Plan Contributions with respect to Compensation earned by Participants prior to the date of amendment or termination.
27 Miss. Code. R. 240-IV-4.5