19. The council of a municipality party to an agreement contemplated in section 17 or section 18 may provide therein for the formation of a joint committee composed of representatives of the municipality and of the other party to the agreement.
The council may delegate to this joint committee the whole or a part of the powers which it possesses with respect to the matter which is the subject of the agreement.
The agreements concluded under section 17 or 18 are not opposable to third parties.
1978, c. 88, s. 19; 1996, c. 2, s. 1019.