There is a visa support letter request page, which is shared with VTC and CAVS.
Note that you should first register at https://vppc2018.gel.usherbrooke.ca/registration/ and then complete the request for a visa support letter at:
There is a visa support letter request page, which is shared with VTC and CAVS.
Note that you should first register at https://vppc2018.gel.usherbrooke.ca/registration/ and then complete the request for a visa support letter at: