DEFINITIONS.

In this chapter:

(1) "Child" has the meaning assigned by Section 101.003, Family Code.

(2) "Child support agency" has the meaning assigned by Section 101.004, Family Code.

(3) "Custodial parent" means an individual who:

(A) is a managing conservator of a child or a possessory conservator of a child who is a parent of the child; or

(B) is a guardian of the person or other custodian of a child and is designated as guardian or custodian by a court or administrative agency of this or another state.

(4) "Benefit plan issuer" means:

(A) an insurance company, group hospital service corporation, or health maintenance organization that delivers or issues for delivery an individual, group, blanket, or franchise insurance policy or agreement, a group hospital service contract, or an evidence of coverage that provides benefits for medical or surgical expenses incurred as a result of an accident or sickness, or dental expenses;

(B) a governmental entity subject to Subchapter D, Chapter 1355, Subchapter C, Chapter 1364, Chapter 1578, Article 3.51-1, 3.51-4, or 3.51-5, or Chapter 177, Local Government Code;

(C) the issuer of a multiple employer welfare arrangement as defined by Section 846.001; or

(D) the issuer of a group health plan as defined by Section 607, Employee Retirement Income Security Act of 1974 (29 U.S.C. Section 1167).

(5) "Medical assistance" means medical assistance under the state Medicaid program.