(a) The Texas Board of Criminal Justice by rule shall establish guidelines for a maximum caseload for a parole officer.
(b) The Texas Board of Criminal Justice:
(1) shall periodically review the guidelines established under Subsection (a) to ensure that the guidelines are achievable and informed by research-supported supervision practices; and
(2) may revise the guidelines as needed.
(c) The department shall conduct a job task analysis and workload study with respect to parole officers before the Texas Board of Criminal Justice adopts or amends the guidelines under this section.