How to Correct a Mistake on Your Canadian Tax Return Mistakes on a Canadian tax return can lead to incorrect refunds, additional tax payments, or CRA penalties. Learn how to amend your return using Change My Return, ReFILE, or Form T1-ADJ. This guide explains the deadlines for correcting past returns, the reassessment process, and how interest may apply if you owe more tax. Discover when the Voluntary Disclosures Program may help resolve unreported income or older tax filing errors. Read More: https://mehracpa.com/correct-mistake-canadian-tax-return/