All plans for consolidation and merger of school administrative units entered into between June 9, 1969, and May 26, 1992, under N.C. Gen. Stat. § 115C-67, 115C-68.1, 115C-68.2, former N.C. Gen. Stat. § 115-74.1, or under any local act authorizing such mergers, are ratified and considered to have been adopted by act of the General Assembly. This Article prevails over N.C. Gen. Stat. § 153A-76(4). (1991 (Reg. Sess., 1992), c. 767, s. 2; c. 1030, s. 51.2.)