(a) The commissioners court of a county may establish a sexual assault victim services court program for participants who:
(1) are victims of an alleged sexual assault in which a person is arrested for or charged with an offense under Chapter 21 or 22, Penal Code, committed against the victim; and
(2) voluntarily agree to participate in the program.
(b) The local administrative district and statutory county court judges of the county may designate a court in the county for assignment of cases described by Subsection (a). The judge of the designated court must have experience hearing sexual assault cases under Chapter 21 or 22, Penal Code. The prosecuting attorney for the court must have experience in prosecuting sexual assault offenses under Chapter 21 or 22, Penal Code.