Inmates who fail to observe faithfully the rules of the institution may have goodtime withheld or forfeited under rules adopted by the state board of correction.
Forfeited or withheld goodtime may only be restored by the board of correction or its authorized agent.
Such revocation or forfeiture shall not be made except upon a hearing upon the question of the infraction of the rules charged to such convicted person before the state board of correction or its authorized agent.