This compact shall not apply to:
(1) The sending or bringing of a child into a receiving state by his parent, stepparent, grandparent, adult brother or sister, adult uncle or aunt, or his guardian and leaving the child with any such relative or nonagency guardian in the receiving state.
(2) Any placement, sending or bringing of a child into a receiving state pursuant to any other interstate compact to which both the state from which the child is sent or brought and the receiving state are party, or to any other agreement between said states which has the force of law.