FYI
http://www.cic.gc.ca/english/information/applications/representative.asp
Use of a representative
This form is for people who wish to appoint a representative (an immigration consultant, lawyer, friend, family member, etc.) who will conduct business with Citizenship and Immigration Canada on their behalf.
The form can also be used to cancel the appointment of a representative.
If you have not yet submitted your application, send this form along with your application to the office listed in your respective application kit.
If you have already submitted your application, send this form to the office where you submitted your original application.