Subject to approval by COAH, Andover Borough may contract with or authorize a consultant, authority, government or any agency charged by the governing body, which entity shall have the responsibility of administering the affordable housing program of Andover Borough. If Andover Borough contracts with another entity to administer all or any part of the affordable housing program, including the affordability controls and affirmative marketing plan, the Municipal Housing Liaison shall supervise the contracting administrative agent.