(a) A personal search may be conducted only under the following circumstances:
- (1) When the probation officer has a reasonable suspicion to believe that the child possesses contraband or other evidence of violations of the conditions of supervision.
- (2) When the child is being transported by the probation officer.
- (3) When the child is taken into custody by the probation officer.
- (4) When a child is admitted to, or discharged from, a detention center, institution or other facility.