28 CFR 545.20 - Purpose and scope.
(a) The Bureau of Prisons operates an inmate work program within its institutions. To the extent practicable, the work program:
(2) Ensures that activities necessary to maintain the day-to-day operation of the institution are completed. Sentenced inmates who are physically and mentally able to work are required to participate in the work program. When approved by the Warden or designee, drug treatment programming, education, or vocational training may be substituted for all or part of the work program.