; (3) corporal punishment; (4) seclusion; (5) a mechanical or chemical restraint on a student; or (6) a physical restraint or physical escort that is life threatening, that restricts breathing, or that restricts blood flow to the brain, including prone and supine restraint, on a student, except when each of the following requirements are met: (A) The student’s behavior poses an imminent danger of serious physical injury to the student, program personnel, or another individual. (B) Before using physical restraint, less restrictive interventions would be ineffective in stopping such imminent danger of serious physical injury. (C) Such physical restraint is imposed by— (i) program personnel trained and certified by a State-approved crisis intervention training program; or (ii) program personnel not trained and certified as described in clause (i), in the case of a rare and clearly unavoidable emergency circumstance when program personnel certified as described in clause (i) is not immediately available due to the unforeseeable nature of the emergency circumstance. (D) Such physical restraint ends immediately upon the cessation of the imminent danger of serious physical injury to the student, any program personnel, or another individual. (E) The physical restraint does not interfere with the student’s ability to communicate in the student’s primary language or primary mode of communication. (F) During the physical restraint, the least amount of force necessary is used to protect the student or others from the threatened injury. (G) The physical restraint does not affect or interfere with, with respect to a student, a disability, health care needs, or a medical or psychiatric condition documented in a— (i) health care directive or medical management plan; (ii) a behavior intervention plan; (iii) an individualized education program or an individualized family service plan (as defined in section 602 of the Individuals with Disabilities Education Act ( 20 U.S.C. 1401 ))