Sec. 54.310.  WITNESS.  (a)  A witness who appears before a magistrate and is sworn is subject to the penalties for perjury provided by law.
(b)  A referring court may issue attachment against and may fine or imprison a witness whose failure to appear after being summoned or whose refusal to answer questions has been certified to the court.
Acts 1985, 69th Leg., ch. 480, Sec. 1, eff. Sept. 1, 1985.