Ala. Code § 30-3D-205 (2026)
(a) A tribunal of this state that has issued a child-support order consistent with the law of this state has and shall exercise continuing, exclusive jurisdiction to modify its child-support order if the order is the controlling order and:
(b) A tribunal of this state that has issued a child-support order consistent with the law of this state may not exercise continuing, exclusive jurisdiction to modify the order if:
(Act 2015-284, §1.)