I think it's from the Niagara falls office. I told them that I need the certificate to be sent urgently because I need to travel. In the reply to the email they sent after oath, I also specified that I need the certificate urgently.
Applied dec 18th
Aor April 19th
Background verification June 28
Test August 16.
Test updated September 2
Every other thing updated today.
Applied in Kitchener but Niagara office is handling application.