; or (ii) program personnel, a school security guard, or a law enforcement officer not trained and certified as described in clause (i), in the case of a rare and clearly unavoidable emergency circumstance when program personnel, a school security guard, or a law enforcement officer trained and 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, a school security guard, a law enforcement officer, 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. (2) Training Each State, in consultation with program officials and State Directors of Head Start Collaboration (as described in section 642B of the Head Start Act ( 42 U.S.C. 9837b )), shall ensure that a sufficient number of program personnel are trained and certified by a State-approved crisis intervention training program to meet the needs of the specific student population in each program. (3) Prohibition on planned intervention The use of physical restraint as a planned intervention shall not be written into a student’s education plan, individual safety plan, behavioral intervention plan, or individualized education program (as defined in section 602 of the Individuals with Disabilities Education Act ( 20 U.S.C. 1401 )), except that a program may establish policies and procedures for use of physical restraint in program safety or crisis plans, provided that such a plan is not specific to any individual student. (4) Procedures following physical restraint Each program shall establish procedures to be followed after an incident involving the imposition of physical restraint upon