If a plan of reorganization is approved pursuant to § 13-6-18 , a boundary change pursuant to § 13-6-84.2 may be allowed by a school board only if: (1) The plan has been rejected by the voters; (2) The school boards of each district which voted and approved the reorganization plan concur by majority vote and the minor boundary change is recognized in the plan; or (3) The plan is operative pursuant to §