Okla. Stat. tit. 43, § 43-601-704: Duties of Department of Human Services

A. In a support proceeding under this article, the Oklahoma

Department of Human Services 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 paragraphs 2, 4 or 9 of subsection B

of Section 601-708 of this title;

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.