here you goooooooo...
When should I contact CIC?
You must notify CIC of any changes to your application. Examples of changes include:
• Changes in your personal circumstances, such as birth or adoption of a child, a marriage or a divorce
• Change of contact information (e-mail, mailing address, telephone number)
• Appointment or change of immigration representative or designated individual
• Decision to withdraw your application
To notify CIC of changes to your application you may contact this office at the address identified below. You may also contact the Call Centre, toll-free, at 1-888-242-2100. Changes to your address may be made through our online service at http://www.cic.gc.ca/english/information/change-address.asp.