21
Allows police to search people without a warrant if certain circumstances are met
21A
Police can ask a person to open their mouth but not forcibly. They may also shake or move hair. All on the assumption of reasonable grounds.
31
Allows for an officer to conduct a strip search at a police station or other place of detention. Can be conducted in other places only if urgent and necessary
32
Strip searches must be performed as quickly as possible and must be performed by a same sex officer