Tex. Gov't Code § 2306.1101
In this subchapter, "homeless youth" means a person who is younger than 19 years of age, including a migratory child, as defined by Section 1309, Elementary and Secondary Education Act of 1965 (20 U.S.C. Section 6399), who:
(1) lacks a fixed, regular, and adequate nighttime residence, including a person who is:
Added by Acts 2015, 84th Leg., R.S., Ch. 691 (H.B. 679), Sec. 1, eff. September 1, 2015.