Originally Posted by
Merlin666
Now that I have managed to use the upgrade feature on AC website I am keeping my fingers crossed that no bumping will occur. The question is: on my trip from YWG to FRA via YYZ, when will the SWU cert. be collected? Or will I need a certificate for each boarding?
You need only one.
If it gets collected at YWG, make sure they make a note on the file. They typically also write on the next boarding pass.