(a) For the purposes of this subchapter, only the institutional division may appoint an inmate to serve as a trusty, under policies adopted by the director of the institutional division.
(b) The institutional division may not appoint an inmate to serve as a trusty for the purposes of this subchapter unless the inmate has a good record in the division.
(c) An inmate who is serving three or more terms may be used as a trusty for the purposes of this subchapter only if the inmate has an unblemished record in the institutional division and the inmate has served more than one-half of the inmate's sentence.
(d) An inmate may not be appointed to serve as a trusty for the purposes of this subchapter if the inmate has attempted an escape in which the inmate:
(1) used a firearm or other deadly weapon; or
(2) wounded a guard or other person.