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2. Give your form to Service Canada

After you fill out, print, and sign the Request for Reconsideration form, you must:

The mailing address for Ontario is:
Service Canada Centre
P.O. Box 2602
Mississauga, Ontario L4T 0B1

If you mail the form, it might take several days to arrive at the Service Canada Centre. You need to leave enough time to make sure it's not late.

Service Canada must get your request within 30 days from the day you first found out about the decision you disagree with.