(a) As used in this Code section, the term:

(1) "Child support order" means a judgment, decree, or order of a court or authorized administrative agency requiring the payment of child support in periodic amounts or in a lump sum and includes (A) a permanent or temporary order and (B) an initial order or a modification of an order.

(2) "Continuing, exclusive jurisdiction" means the authority and jurisdiction of a court to enter or modify a judgment, decree, or order for the payment of child support, as defined in the Full Faith and Credit for Child Support Orders Act, 28 U.S.C. Section 1738B, as amended.

(3) "Foreign child support order" means a judgment, decree, or order of a court or authorized administrative agency of another state requiring the payment of child support in periodic amounts or in a lump sum and includes (A) a permanent or temporary order and (B) an initial order or a modification of an order.

(4) "Modification" means a change in a child support order that affects the amount, scope, or duration of the order and modifies, replaces, supersedes, or otherwise is made subsequent to a child support order or foreign child support order.

(5) "Moving party" means the party initiating an action for the modification of a child support order or foreign child support order.

(6) "Nonmoving party" means the party not initiating an action for the modification of a child support order or foreign child support order.

(7) "State" means a state of the United States, the District of Columbia, the Commonwealth of Puerto Rico, the territories and possessions of the United States, and Indian Country as defined in 18 U.S.C. Section 1151.

(b) A court of this state may exercise continuing, exclusive jurisdiction for purposes of entering a child support order if the court has subject matter and personal jurisdiction to make such a child support order, and no previous support order has been entered by a court of competent jurisdiction with respect to the child or children named in the support order.

(c) A court of this state may exercise continuing, exclusive jurisdiction for purposes of entering a modification of a child support order issued by a court of this state if the child or children named in the child support order or any party to the action resides in this state.

(d) A court of this state may exercise continuing, exclusive jurisdiction for purposes of entering a modification of a foreign child support order if:

(1) The court has subject matter and personal jurisdiction over the nonmoving party; and

(2) The court of the state issuing the order sought to be modified no longer has continuing, exclusive jurisdiction to modify said order as defined in the Full Faith and Credit for Child Support Orders Act, 28 U.S.C. Section 1738B, as amended.

(3) The parties file a written consent allowing the court to assume continuing, exclusive jurisdiction. This Code section shall be interpreted to effectuate the provisions of Article 3 of Chapter 11 of this title.

(e) Jurisdiction within this state to enforce, by a contempt proceeding or otherwise, a child support order entered by or registered with a court of this state shall be vested concurrently in the court issuing such order, in the court in the county where the person owing the duty of support may be found or is employed, and for in rem proceedings only, in the court in the county where property may be found which is subject to seizure, sale, foreclosure, or other process for application toward the support obligation.