It is mentioned in the guide:
"Certified true copies
To have a photocopy of a document certified, an authorized person must compare the original document to the photocopy and must print the following on the photocopy:
•“I certify that this is a true copy of the original document”,
•the name of the original document,
•the date of the certification,
•his or her name,
•his or her official position or title, and
•his or her signature.
Who can certify copies?
Persons authorized to certify copies include the following:
In Canada:
•a commissioner of oaths
•a notary public
•a justice of the peace
Outside Canada:
•a judge
•a magistrate
•a notary public
•an officer of a court of justice
•a commissioner authorized to administer oaths in the country in which the person is living
Family members may not certify copies of your documents."