How should a taxpayer file a Minnesota Amended S Corporate tax Return?
If a taxpayer needs to correct a previously filed Minnesota S Corporation Tax return, then that taxpayer must correct it by "filing Form M8X, Amended S Corporation Return/Claim for Refund." According to Minnesota State, Taxpayers are requested "to use the most current version of Form M8X, no matter what year return is being amended."
1. When should a taxpayer file an amended tax return?
Taxpayers may file an amended return within 3½ years of the due date or within 1 year of the date on a tax order (bill), whichever is later. If you filed your original return under an extension, you have 3½ years from the extended due date.
2. How should a taxpayer file an Amended Tax Return?
Taxpayers must file Form M8X on paper. Taxpayers must enclose any additional lists of changes, amended schedules and a complete copy of your amended federal return (Form 1120S) and mail the amended tax return it to the following address as shown below:
Minnesota Amended S Corporation Tax
Mail Station 1770
St. Paul, MN 55145-1770