Aor is acknowledgement of receipt. It contains your application number. You have already got it now wait until next step in 3 to 4 months after aor. You can link your application online on cic website using your application number Or can use their online application status tool to check the updates on your application.Hi.. to every one I'm new to the forum. What is AOR? I applied for PR from protected person on November 2019. Got a email in December 12th, they received the application. There is my application number with "G". After that no update to date. Even I can't check my status online. Can any one explain why?