When you log in to MyTax, your tax-related letters will change from paper to electronic form automatically. Read more about the changes.
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.
Huomio osio alkaa
Download the form
Huomio osio päättyy
Huomio osio alkaa
Instructions
Huomio osio päättyy
Page last updated 6/16/2026