The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise.(1) Applicant--An individual, or the parent or legal guardian of an individual, who has applied to the Texas Department of Human Services (DHS) or another agency of the state for medical assistance from the Medicaid program.(2) Commissioner--The Commissioner of the Texas Department of Human Services;(3) Department or DHS--The Texas Department of Human Services and its designee.(4) Recipient--A person who has been certified as eligible to receive medical assistance from the Medicaid program by DHS or other agency of the state.(5) State Plan--The comprehensive written statement submitted by the single state agency describing the nature and scope of the Medicaid program and giving assurances that the Medicaid program will be administered in compliance with Title XIX requirements and federal regulations.(6) Third party--Any person, or the insurer of a person, who is or may be liable to pay all or part of the expenditures for medical assistance furnished under the State Plan.