Notwithstanding the provisions of this chapter or other law, a single body may serve as both the assembly and school board in the manner provided for third class boroughs under AS 29.20.300(b), if
- (1) an ordinance for that purpose is approved by the assembly and ratified by a referendum of a majority of the qualified borough voters voting on the question at a regular or special election; and
- (2) the public school population within the borough is 500 pupils or less.