Form M1PR is filed separately from your Minnesota State Tax Return and isn't due until the August 15th. You may file Form M1PR and claim a refund for up to one year after the original due date. If you file later, you won’t receive a refund. You don't need to amend your Minnesota return to complete the M1PR:
Form M1PR is filed separately from your Minnesota State Tax Return and isn't due until the August 15th. You may file Form M1PR and claim a refund for up to one year after the original due date. If you file later, you won’t receive a refund. You don't need to amend your Minnesota return to complete the M1PR: