Moneys of the authority received from any participating private college or participating nonprofit entity in payment of any sum due to the authority pursuant to the terms of any loan or other agreement or any bond, note, or other evidence of indebtedness, shall be deposited in an account in which only moneys received from participating private colleges or participating nonprofit entities shall be deposited, and shall be kept separate and apart from and not commingled with any other moneys of the authority. Moneys deposited in that account shall be paid out on checks signed by the chairperson of the authority or by a person or persons authorized by the authority.