Permanent residents of Canada must carry and present their valid PR card or permanent resident travel documents when boarding a flight to Canada, or traveling to Canada on any commercial carrier.
In order to renew a PR card, permanent residents must meet residency obligation not to lose their permanent resident status.
✓ If you have been a permanent resident for 5 years or more
: Physically in Canada for a minimum of 730 days
✓ If you have been a permanent resident for less than 5 years
: 730 days of physical presence in Canada within 5 years of the date you became a permanent resident.