Originally Posted by
longtimeflyin
"Proof of address may be requested in order to apply non-Canadian resident AQD requirements."
Perhaps, but proof of address may be difficult for this hitchhiker so if anything the full AQD requirements may have to be met in order for the bird to qualify for Altitude status.
https://altitude.aircanada.com/status/overview
I was never asked for proof of address, but then again my switch was before AQD requirements.