(a) Texas Correctional Industries is an office in the department.
(b) In this subchapter and Subchapter B:
(1) "Office" means Texas Correctional Industries.
(2) "Articles and products" includes services provided through the use of work program participant labor.
(3) "Work program participant" means a person who:
(A) is an inmate confined in a facility operated by or under contract with the department or a defendant or releasee housed in a facility operated by or under contract with the department; and
(B) works at a job assigned by the office.