Without limiting the generality of section 70, Comcare may enter into an arrangement with the principal officer of an Entity or a Commonwealth authority, or any other person, under which:
(a) Comcare will provide to the Entity, authority or other person specified services related to the performance by Comcare of its functions; and
(b) the Entity, authority or other person will pay to Comcare
such amount as is agreed between them for the provision of those services.