Title 19, Chapter 11, Section 162
(a) A support order or income-withholding order issued in another
state is registered when the order is filed in the registering
tribunal of Georgia.
(b) A registered order issued in another state is enforceable in the
same manner and is subject to the same procedures as an order issued
by a tribunal in Georgia.
(c) Except as otherwise provided in this part, a tribunal in Georgia
shall recognize and enforce, but may not modify, a registered order
if the issuing tribunal had jurisdiction.