Except as otherwise provided in this chapter, the old U.C.C. shall apply to any questions of priority if the positions of the parties were fixed prior to April 1, 1978. In other cases, questions of priority shall be determined by the revised U.C.C.
Transition provisions as to priorities
Miss. Code Ann. § 75-11-107, under Uniform Commercial Code—Effective Date and Transition Provisions: 1977 Amendments.
Miss. Code Ann. § 75-11-107