"Child support services" means administrative or court actions to:
(1) establish paternity;
(2) establish, modify, or enforce child support, medical support, or dental support obligations;
(3) locate absent parents; or
(4) cooperate with other states in these actions and any other action authorized or required under Part D of Title IV of the federal Social Security Act (42 U.S.C. Section 651 et seq.) or Chapter 231.