Why they returning? as per site information one ID is sufficient with photo,
"
Both pieces of identification should show the minor’s name and date of birth,
one of which must have a photo on it.
Examples include:
- permanent resident card (PR card)
- A PR card may only be used as personal identification if your second piece of personal identification was issued by the Canadian government
- school record;
- health insurance card;
- a passport page containing their photo and personal details;
- a hospital or immunization record, may be provided.
- Note: If there is information on both sides of the identification document, photocopy both sides.