Tex. Human Resources Code § 152.00162

(a) Not later than the 90th day before the date the juvenile board or local juvenile probation department transfers a person to the custody of the Texas Department of Criminal Justice for release on parole supervision under Section 152.0016(g) or 152.00161(e), the juvenile board or local juvenile probation department shall submit to the Texas Department of Criminal Justice all pertinent information relating to the person, including:

(1) the juvenile court judgment;

(2) the circumstances of the person's offense;

(3) the person's previous social history and juvenile court records;

(4) the person's physical and mental health record;

(5) a record of the person's conduct, employment history, and attitude while committed to the department;

(6) a record of the sentence time served by the person at the juvenile board or local juvenile probation department as a result of a commitment under Section 54.04011(c)(2), Family Code, and in a juvenile detention facility in connection with the conduct for which the person was adjudicated; and

(7) any written comments or information provided by the juvenile board or local juvenile probation department, local officials, family members of the person, victims of the offense, or the general public.

(b) The juvenile board or local juvenile probation department shall provide instruction for parole officers of the Texas Department of Criminal Justice relating to juvenile programs provided by the juvenile board or local juvenile probation department. The juvenile boards and local juvenile probation departments and the Texas Department of Criminal Justice shall enter into a memorandum of understanding relating to the administration of this subsection.

(c) The Texas Department of Criminal Justice shall grant credit for sentence time served by a person in the custody of a juvenile board or local juvenile probation department and in a juvenile detention facility, as recorded by the board or department under Subsection (a)(6), in computing the person's eligibility for parole and discharge from the Texas Department of Criminal Justice.