(A) A tribunal of this State may serve as an initiating tribunal under this subarticle to request a tribunal of another state to enforce or modify a support order of that state.
(B) A tribunal of this State having continuing, exclusive jurisdiction over a support order may act as a responding tribunal under this subarticle to enforce or modify that order. In exercising its continuing, exclusive jurisdiction over its support order, the tribunal may apply Section 20-7-1100 to receive evidence from another state and Section 20-7-1110 to obtain discovery through a tribunal of another state.
(C) If a tribunal of this State lacks continuing, exclusive jurisdiction over a spousal support order, it may not serve as a responding tribunal to modify a spousal support order of another state.