Filing & corrections
Tax deadlines, notices of assessment, missing records and corrections. Find the next step for your Canadian return.
Filing & corrections
19 articles · 1 / 4
Filing & corrections 6 min
2026 Canadian Tax Deadlines for Ottawa Filers
Key 2026 CRA dates for T1 returns, RRSP contributions, instalments, and self-employed filers, with payment deadlines clearly explained.
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Filing & corrections 2 min
I checked more than the refund line
Étienne compares the assessment with his filed return, follows the explanation of changes and keeps account payments separate.
Read the storyFiling & corrections 7 min
How to Change a Tax Return: T1 Adjustments and ReFILE
How to fix an assessed return with Change my return, ReFILE, or Form T1-ADJ, including the 10-year limit and current CRA timelines.
Read the guideFiling & corrections 2 min
Give an accountant access without sharing your login
Use CRA's representative process, verify the identifier and access level, and review the authorization when the work ends.
Read the guideFiling & corrections 2 min
The $18.42 that had no tax slip
Étienne finds interest in an ordinary savings account and learns why the slip threshold is not an income exemption.
Read the storyFiling & corrections 3 min
Put CRA on the moving checklist
Update home and mailing details, keep the effective date and check related accounts without assuming mail forwarding updates tax records.
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