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Tax Tip: If you recently movedin Tax Advice Information and Updates
So if you have recently moved, you can change your address online (through the MyAccount feature), by mail (send a completed Form RC325, Address change request or by sending a letter or fax to your tax centre), by phone (call the Individual Income Tax Enquiries line at 1-800-959-8281).
If you are writing the CRA a letter regarding a change of address for someone else, including your spouse or common-law partner, do not forget to include their social insurance number and have them sign the letter authorizing the change to their records.