As used in this section, unless the context indicates otherwise, "regional school unit board" means the initial regional school unit board elected pursuant to section 1472-A. From the time of election of the regional school unit board to July 1st of the regional school unit's first operational year, the regional school unit board shall establish interim rules of procedures and shall elect officers who shall serve until officers are elected at a meeting following the operational date of the regional school unit. The regional school unit board's powers and duties during this period are governed by this section. [2007, c. 668, §5 (NEW).]