Conn. Gen. Stat. § 46b-401: Initiation by IV-D agency of support proceeding under Convention.

(a) In a support proceeding under sections 46b-398 to 46b-410, inclusive, the IV-D agency of this state shall (1) transmit and receive applications; and (2) initiate or facilitate the institution of a proceeding regarding an application in a tribunal of this state.

(b) The following support proceedings are available to an obligee under the Convention: (1) Recognition or recognition and enforcement of a foreign support order; (2) enforcement of a support order issued or recognized in this state; (3) establishment of a support order if there is no existing order, including, if necessary, determination of parentage of a child; (4) establishment of a support order if recognition of a foreign support order is refused under subdivisions (2), (4) or (9) of subsection (b) of section 46b-405; (5) modification of a support order of a tribunal of this state; and (6) modification of a support order of a tribunal of another state or a foreign country.

(c) The following support proceedings are available under the Convention to an obligor against which there is an existing support order: (1) Recognition of an order suspending or limiting enforcement of an existing support order of a tribunal of this state; (2) modification of a support order of a tribunal of this state; and (3) modification of a support order of a tribunal of another state or a foreign country.

(d) A tribunal of this state may not require security, bond, or deposit, however described, to guarantee the payment of costs and expenses in proceedings under the Convention.