Texas Civil Practice & Remedies Code § 152.007(b)

(a)  An entity that provides services for the resolution of criminal disputes under this chapter may collect a reasonable fee set by the commissioners court from a person who receives the services, not to exceed $ 350, except that a fee may not be collected from an alleged victim of the crime.

(b)  Fees collected under this section may be paid on a periodic basis or on a deferred payment schedule at the discretion of the judge, magistrate, or program director administering the pretrial victim-offender mediation program. The fees must be based on the defendant's ability to pay.