If you are an operator of trade or business (T:mi), an agricultural/forestry operator, select Manage your tax matters in MyTax. When you start with Manage your tax matters, you can access all your tax affairs. Read more: New in MyTax
Claim for adjustment of decision on tax at source (6221)
Fill out this form if you want to claim adjustment of a decision on tax at source.
You can find the return address on the first page of the form.
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Page last updated 11/22/2021