An Acknowledgment of Receipt (AOR) serves as an official confirmation from IRCC that they have successfully received your application. The PDF file says (This is to acknowledge receipt of your application for Canadian Citizenship.If we start processing your application, we'll send you an acknowledgement of receipt letter or email with an application number. Aor is an official letter that the ircc sends you confirming they have received your application and will start processing it. An Acknowledgment of Receipt (AOR) is an official document that confirms that Immigration, Refugees, Citizenship Canada (IRCC) has received your application. I submitted my PGWP application about an hour ago and received a submission confirmation letter. Is this the same thing as an AoR? An Acknowledgment of Receipt (AOR) is an official letter that IRCC sends you confirming they have received your application and will start processing it. On the _______day of ______ in the year_____, before me, the undersigned notary public, personally appeared. Complete the front side of PS Form 2865.