This chapter addresses fees in civil proceedings in the Texas Judicial Branch. A district or statutory county court clerk will collect fees "in certain civil cases to establish and maintain an alternative dispute resolution system, if authorized by the county commissioners court." The cost may be no more than $15.
Texas Government Code Title 2, Chapter 101: Filing Fees and Other Fees and Costs in Civil Proceedings
Texas Legislature. Sep. 1, 2017http://www.statutes.legis.state.tx.us/Docs/GV/htm/GV.101.htm