The law says
IRPA s. 138(1)An officer, if so authorized, has the authority and powers of a peace officer โ including those set out in sections 487 to 492.2 of the Criminal Code โ to enforce this Act, including any of its provisions with respect to the arrest, detention or removal from Canada of any person.
Temporary assistants
(2)An officer may, in cases of emergency, employ a person to assist the officer in carrying out duties under this Act. That person has the authority and powers of the officer for a period of no more than 48 hours, unless approved by the Minister.
Sections this one cites
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