Hi
Hi Olly,
I believe once you have the medical the DMP will send the relevant information to the visa office dealing with your application, it wouldn't hurt also to send a copy to Mississuga. Then your covered both ways.
Hope this helps.
Taffy
You include the receipt portion of the IMM 1017 EFC given to you by the DMP with the sponsorship to Mississauga, thats how they marry up the file easily.
PMM