A tribunal of this state may enforce a child support order of another state registered for purposes of modification, in the same manner as if the order had been issued by a tribunal of this state, but the registered support order may be modified only if the requirements of § 36-5-2611 or § 36-5-2613 have been met.
Effect of registration for modification
Tenn. Code Ann. § 36-5-2610, under Uniform Interstate Family Support Act — Registration, Enforcement, and Modification of Support Order.
Tenn. Code Ann. § 36-5-2610