(a) In this subtitle the following words have the meanings indicated.
(b) “Child support order” means:
(1) any support order for a child issued by a tribunal; or
(2) an executed affidavit of support.
(c) “Party” means:
(1) the legal parent of a child;
(2) a caretaker with whom the child resides; or
(3) the Administration when:
(i) it has accepted an assignment of support under § 5- 312(b)(2) of the Human Services Article; or
(ii) the child has been placed in the care and custody of the State.
(d) “Tribunal” has the meaning stated in § 10-301(dd) of this title.