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Supporting documents

Supporting documents

When you file a paper return, attach your supporting documents to your return. If you make a claim without providing your documents, the CRA may disallow the credit or deduction you claimed and this could delay the processing of your return.

Whether you file by paper or electronically, keep your supporting documents for 6 years in case the CRA asks to see them later. Also keep a copy of your return and notice of assessment or reassessment.

Attach the following documents to your paper return:

Note

If you are missing an information slip, attach a copy of your final pay stub or statement instead. Keep your original documents. Also, attach a note stating the payer's name and address, the type of income involved and what you are doing to get the slip.