Sec. 12. (a) The commission shall have the power to employ and remove at will all necessary clerks, stenographers, bookkeepers, auditors, accountants, assistants of any nature, and other employees, and to fix their duties, authorities, and, with proper approval, their compensation.
(b) The superintendent of the enforcement officers may discharge a non-probationary enforcement officer for just cause. The commission shall adopt rules to establish a procedure for the adjudication of the propriety of the discharge of a non-probationary enforcement officer.