Athletic league and other forms of joint inter and intra school district or charter school associated student body programs are not precluded by this chapter. In the case of such joint programs, a single school district or charter school, or associated student body or a board representing the participating associated student bodies shall manage associated student body moneys made available to it for the support of the joint program and received as a result of the conduct of such program, in compliance with this chapter and a written cooperative agreement authorized by the board(s) of directors of the district(s) or charter school board(s).