(a) In a support proceeding under this subchapter, the office of the attorney general 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 Section 159.708(b)(2), (4), or (9);
(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.