Should I inform CIC or make any update when I change my citizenship?

[xxtczil]

I recently obtained the PR through skilled worker process (when I applied I was using the passport of country A). I am a citizen of country A. and now I have acquired passport of country B. However, country A doesn't allow duel citizenship. I decide to use the passport of country B from now on, so my passport of country A will be invalid. Should I make any update to inform CIC the change of my citizenship?

 

[Pipis Husband]

I recently obtained the PR through skilled worker process (when I applied I was using the passport of country A). I am a citizen of country A. and now I have acquired passport of country B. However, country A doesn't allow duel citizenship. I decide to use the passport of country B from now on, so my passport of country A will be invalid. Should I make any update to inform CIC the change of my citizenship?

Yes, immediately.

 

[xxtczil]

May I ask where and how I should inform CIC? Is there a form (like the one for Australian pr) I should fill ? or should I go to service Canada to update?