(a) Every effort shall be made to prevent the need for the use of restraint or for the use of seclusion on a student.(b) Seclusion or physical restraint shall not be used except when used as a last resort in situations where:(1) the student's behavior poses imminent risk of injury to self or others; and(2) other less restrictive interventions are ineffective.(c) Any use of seclusion or restraint:(1) may only be used for a short period of time; and(2) shall be discontinued as soon as the imminent risk of injury to self or others has dissipated.