Tennessee Code Title 36. Domestic Relations § 36-5-3104

(a) A support order issued in another county is registered for enforcement pursuant to this part when the order is filed in the registering court and the requirements of § 36-5-3103(a) are met.

(b) A registered order originally issued in another county is enforceable in the same manner and is subject to the same procedures as an order issued by a court of the registering county.

(c) Except as otherwise provided in this part, a court of the registering county shall recognize and enforce, but may not modify, a registered order.