(a) Any pupil under the age of 16 identified by a police officer as being off school property without official authorization may be returned to that pupil's home school.
(b) Any pupil under the age of 16 identified by a police officer as being off school property without official authorization may be detained by the police for a period not to exceed 2 hours for the purpose of notification of parent or guardian. This detention may be within the police station but not in a criminally confined area.