(a) A community board is an agency of the county government.
(b) A county which establishes or agrees to establish a community board, or community boards may appropriate funds for human services programs.
(c) When two (2) or more counties have agreed to establish a community board, the funds appropriated by the counties shall be expended by the board in accordance with the agreement between the counties. The agreement shall require each county to bear a cost proportionate to the services provided in the county. The agreement may specify that, for particular purposes, officers and employees of a joint community board are considered employees of a participating county.