Tenn. Code Ann. § 36-5-2102: State tribunal and support enforcement agency

(a) The chancery, circuit, juvenile, and any courts exercising domestic relations jurisdiction under any enactment of the general assembly, and the department of human services when, pursuant to a state or federal law, the department is acting in its capacity as the Title IV-D child support enforcement agency of the state to carry out administrative support establishment or support enforcement actions or when adjudicating administrative appeals involving the Title IV-D child support program, are the tribunals of this state.

(b) The department of human services is the support enforcement agency of this state.