Last Updated on July 21, 2021 by Steven Meurrens

According to its website, the Canada Border Services Agency (“CBSA“) screens all visitors, immigrants and refugee claimants to keep Canada safe and secure. Inadmissible persons such as criminals or persons considered security risks are not allowed to enter or remain in Canada.

The following PDF contains a detailed breakdown of how this works and efforts to reduce backlogs.

National Security Screening Numbers