Discover the value of acknowledgment letters in confirming the receipt of deliveries. Use our free template to craft an effective, professional letter.An Acknowledgment of Receipt (AOR) is an official letter that IRCC sends you confirming they have received your application and will start processing it. It can confirm that your purpose for visiting Canada is valid. The letter must be written to you from your family member. Receipt Number; A-Number (if applicable); Date when filed; Application or Petition filed; Item not received; Email Address. Document Package = TILA Redisclosure; State Code = Georgia. NOTE: Do not submit an inquiry if you recently filed an application. While the grantee is free to create their own template, completing Attachment 3 will ensure a thorough PMP. PERS will mail additional forms necessary for completing the service retirement application after receipt of the completed Form 9A SRVC.