An Acknowledgment of Receipt (AOR) is an official letter that IRCC sends you confirming they have received your application and will start processing it. 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) serves as an official confirmation from IRCC that they have successfully received your application. If your travel documentation doesn't have a surname on it, write all names listed on your passport in the required field for your surname. NOTE: Do not submit an inquiry if you recently filed an application. Complete the Application for a Fingerprint Clearance Card ("Application"). If filling out the form on your phone, forward as an email. Click here for a Motion to Serve By Publication or Posting that you can fill out on the computer.