If you are outside Canada, contact the visa office where you submitted your application.
如果你在加拿大之外, 请与你递交申请的 签证机构(各地的领事馆,大使馆)联系.
If you are in Canada, you can notify CIC electronically by using CIC’s online service in many cases. (You can contact the CIC Call Centre toll-free at 1-888-242-2100 if you have problems.)