If you landed in Canada as the principal applicant under Express Entry with your spouse declared as non-accompanying, and the relationship has since broken down, your spouse does not automatically gain any right to enter Canada through your file.
What group members advised:- Nothing happens automatically on your Express Entry file just because the marriage is breaking down. As long as you don't proceed with spousal sponsorship, no action is triggered on your existing landing.
- Your spouse cannot enter Canada using your Express Entry file, because he was declared as non-accompanying at the time of your application — that declaration means he has no independent right of entry tied to your PR landing.
- The only way for him to come to Canada would be if he applies for PR in his own right (e.g., through his own Express Entry profile or another program) — your file being closed to him doesn't change unless you actively sponsor him.
This thread doesn't confirm whether proactively notifying IRCC of the separation/divorce is required — if you're pursuing divorce, consult a licensed immigration consultant or lawyer about whether and when to formally update your file.