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Wisconsin Income Taxes and WI State Tax Forms

Wisconsin State Income Taxes for Tax Year 2020  (January 1 - Dec. 31, 2020) can be prepared and e-Filed now along with an IRS or Federal Income Tax Return.  Federal Tax Return deadline details. Details on how to only prepare and file a 2020 WI Tax Return without a Federal Return. Attention: The latest deadline for Wisconsin State Tax Return is April 15, 2021 May 17, 2021.

efile Wisconsin tax return
Wisconsin
"The Badger State"

The 2020 Wisconsin State Income Tax Return for Tax Year 2020 (Jan. 1 - Dec. 31, 2020) can be e-Filed together with the IRS Income Tax Return by April 15, 2021 May 17, 2021 due date. If you file a tax extension you can e-File your Taxes until October 15, 2021 without a late filing penalty. However, if you owe Taxes and don't pay on time, you might face late tax payment penalties. Tip: File on time, even you can't pay on time, as the late filing penalties are higher than the late payment penalties.

Prepare and e-file your IRS and Wisconsin State Tax Return: resident, nonresident, or part-year resident returns included. The IRS and the state of Wisconsin State Tax Agencies require you to e-file a Federal Income Tax Return at the same time you e-file a WI State Tax Return. This is not an eFile.com policy but an IRS and State Agency policy. Therefore, you cannot e-File a Wisconsin Tax Return anywhere - not just eFile.com - without also e-filing the associated IRS Tax Return. However, please read on for good news. 

Find detailed instructions on how you can only prepare and mail in - not eFile - a Wisconsin 2020 Tax Return - here via eFile.com. However, you must download/print and sign the forms and mail them to the Tax Agency.

Function
Description
Where Is Your Wisconsin Tax Refund Money?
Step 1: Sign into your eFile.com account and check acceptance by the Tax Agency.
Step 2: Check your Wisconsin Tax Refund Status.
Where is Your IRS Refund?
Step 1: Sign into your eFile.com account and check acceptance by the IRS.
Step 2: Check your IRS Tax Refund Status.
Wisconsin Income Tax Extension
Wisconsin Income Tax Amendment
How to correct a rejected Tax Return
If your WI Tax Return was rejected by the WI Tax Agency - not eFile.com - instructions on how to correct a rejected Wisconsin Tax Return.
Wisconsin IRS Late Filing, Tax Payment Penalties
1. Late Filing Penalty:  There is a $50 late filing fee when you file your Wisconsin tax return after the tax return deadline. You may also face a 5% negligence penalty for each month you fail to file your return on time (based on your total taxes owed). The maximum is 25%.
2. Late Payment Penalty: There is a 6 1/2% or $35 (whichever is greater) delinquent tax collection fee that is added to your total taxes owed when you submit your payment after the tax return date.
3. IRS Penalties: Calculate and Estimate your potential IRS Income Tax Return Penalties.
WI Tax Return Mailing Addresses
Find various Wisconsin Mailing Addresses for tax returns, tax amendments, and tax payments. 
Wisconsin Income Tax Brackets
Wisconsin Income Tax Forms
Wisconsin Unemployment Benefits
Wisconsin generally taxes unemployment benefits. However, a portion of your benefits may be exempt from tax.

 

Start Federal and Wisconsin Tax Returns

2021 Wisconsin Income Tax Filing Deadlines by Tax Year

The majority of deadlines listed here are for Tax Year 2020. Some apply to upcoming Tax Years and some are IRS or Federal deadlines.

Deadline
Type
Description
April 15, 2021
Tax Year 2020
Income Tax Return
Prepare and eFile an IRS (Due Date April 15, 2021) and Wisconsin State Income Tax Return (Due Date April 15, 2021) until October 15, 2021. - eFileIT*
April 15, 2021
2020 Income Tax Extension
October 15, 2021
Tax Year 2020
Income Tax Return after the April 15, 2021 Wisconsin Tax Extension
Last day to e-File a 2020 Wisconsin State Income Tax Return for Tax Extension Filers and late eFilers. You can only e-File (to file by paper see below) Wisconsin Income Tax Return together with an IRS Tax Return. eFileIT*
October 15, 2021 via mail-in Forms.
Forms incl. Mailing Address are listed below.
Tax Year 2020
Income Tax Return after the April 15, 2021 Wisconsin Tax Extension
Deadline for taxpayers who got a WI Tax Extension to file their WI Income Tax Return by mail-in Forms - the Forms incl. mailing addresses are listed below - is October 15, 2021. (Optionally, the eFileIT* deadline is Oct. 15, 2021). Instructions on how to only - without the IRS return - prepare and file a Wisconsin State Income Tax Return on eFile.com.
Tax Amendment for all Tax Years
IRS Due Dates
IRS Tax Return, Extension, Amendment Deadlines
2021, 2022, etc.
Other State Tax Return, Extension, Amendment Deadlines
Select respective State Tax Return Deadlines.
2021, 2022, etc.
IRS Federal Income Tax Return, Amendment, Extension Deadlines
April 15, 2024
2020 Wisconsin Income Tax Return Refund.
IRS Tax Return Refund Claim Deadline
The last day to file - you will not face late filing penalties - and claim your 2020 Wisconsin Income Tax Return Refund. This deadline does not apply if you owe 2020 Income Taxes.

E-File These 2020 Wisconsin State Tax Forms

Prepare and eFile these state forms for 2020 in conjunction with your federal and state income tax return. As you proceed through the tax interview on efile.com, the application will select the correct state forms for you. You can also select tax forms individually. All these forms will then be e-filed by you to the state tax agency. Instructions on how to only prepare a state income tax return.

Form/Schedule
Description
eFileIT Now*
Form 1
Income Tax Return
Form 1NPR
Nonresident and Part-Year Resident Income Tax Return
Schedule CS
College Savings Accounts (Edvest and Tomorrow's Scholar)
Schedule EC
Enterprise Zone Jobs Credit
Schedule H
Homestead Credit Claim
Schedule OS
Credit for Net Tax Paid to Another State
Schedule PS
Private School Tuition
Schedule U
Underpayment of Estimated Tax
Schedule WD
Capital Gains and Losses
Estimated Payment Voucher Form. Complete and submit to the WI Department of Revenue - address is on the form - with your payment.
Form 1EPV
Electronic Payment Voucher Form. Complete and submit to the WI Department of Revenue - address is on the form - with your payment.
Determines your paycheck WI Tax Withholding amount per employer.
Step 1: Complete and submit to your employer(s).
Step 2: Estimate, Calculate your IRS Tax Withholding now.

* Due to IRS and State Tax Agency tax data sharing and validation requirements, you can only e-file a State Income Tax Return while also e-filing a Federal Income Tax Return. This is not an eFile.com created policy, but all online tax web sites have to adhere to this IRS/state issued tax data sharing policy. You can however prepare all 44 State Income Tax Returns on eFile.com if you have already e-Filed or filed your IRS return. Instructions on how you can ONLY prepare and file State Income Tax Return(s). Only on eFile.com can you prepare, file or e-file unlimited State Tax Returns for one low price and not pay for each State return like you would do on H&R Block® vs. TurboTax®. Dare to Compare Now.

How To Claim a Wisconsin Tax Extension

If you have an extension for filing your federal return, this gives you a Wisconsin extension. Make sure you attach a copy of your federal extension to your Wisconsin income tax return. If you only want to obtain an extension for your WI state return, you must attach a statement to the state return indicating that you wish to use Federal Form 4868.

Instructions on how to eFile an IRS Tax Extension for free on eFile.com by April 15, 2021.

Even though you may have an extension of time to file your return, you will owe interest on any tax not paid by April 15, 2021. Therefore, when you file an extension, pay as much of your WI tax bill as you can. If you expect to pay additional taxes owed, you can avoid the 1% per month interest charge during the extension period by paying the tax you will owe by April 15, 2021. You can submit the payment online at Wisconsin Department of Revenue, or by the 2020 Form 1-ES, Estimated Income Tax Voucher.

The extended IRS/Wisconsin eFile deadline is Oct. 15, 2021 - eFileIT*. If you plan to file or mail-in a Wisconsin tax return on paper - the Forms and Mailing Address are below - your due date is Oct. 15, 2021. After Oct. 15, 2021, you can complete and sign 2020 Wisconsin Tax Forms online here on eFile, before you download, print and mail them to the state tax agency. The address is on the form. 

Wisconsin State Tax Payment Options
You can select one of these payment options either after you have e-filed or filed your 2020 Wisconsin Tax Return. Alternatively, you can pay Wisconsin income taxes here prior to filing (e.g in the case of an extension). Plus, you can make online Wisconsin tax estimate payments for next tax year. If you eFiled your taxes and pay online, you do not have to send in Wisconsin paper forms (e.g. payer tax return, extension form, or tax estimate form). 
Go to Wisconsin Department of Revenue site to submit your payment.  On their site you will need to select an "Account Type" (Individual Income Tax) and "Payment Type" (Return Payment).  After choosing your account type and payment plan, the next screen will ask for "Taxpayer Information" such as "Tax Year", "SSN", "First Name", "Last Name" and "Contact Number".  After you have entered your information, click "Next" and you will be taken to a payment screen where you can select "Direct Debit - U.S. Bank" as your payment source.  After entering your bank information, and submitting your payment, be sure to save your confirmation number for your records.
This is a free option if you want to pay your taxes owed via your bank account.
Submit a tax payment through the state tax agency's Official Payments site. When you're on the site, enter your payment amount (including penalties and interest), then choose a payment option (Debit or Credit Card).  After accepting the terms of agreement, you can create an account, or continue as a guest.  If you continue as a guest, select "Return Payment" as the payment type and click "Continue".  Next, you will need to enter information about yourself (First Name, Last Name, SSN, etc) and your credit card.
Use this payment option if you want to pay your tax payment via your credit or debit card. There is an convenience fee of $1 for payments less than $40, or a 2.5% fee for payments over $40.
Check or Money Order with Form EPV
Complete voucher Form EPV and attach it to your check or money order payable to "Wisconsin Department of Revenue".  Mail them to the Form EPV address below.
Use this payment option if you wish to submit your payment via check or money order in the mail. 
Estimated Tax Payment Options
Choose one of these options:  Go to Wisconsin Department of Revenue site to submit your estimated payment. Select "Individual Income Tax" as your account type and "Estimated Payment" as your payment type. 1) Pay via ACH credit by sending tax payments from your bank account to Wisconsin Department of Revenue.  2) Credit Card/Debit Card option: Enter your amount and payment type (Debit or Credit).  After agreeing to terms of service you can create an account or continue as guest.  If you continue as a guest select "Estimated Tax Payment (1 ES)" as payment type.  Click "Continue" and you will need to enter information about yourself and payment information.  There will be additional fees if using credit or debit card.  3) Complete voucher Form 1-ES. Attach a check or money order for the tax period payable to "Wisconsin Department of Revenue".  Mail the voucher and check/money order to the Form 1-ES address here.
Use one of these payment options if you want to submit estimated taxes rather than submit all your taxes owed at once. 
Many of these online IRS tax payment options can be used before or after you e-File your Income Taxes. You can pay tax extension and tax estimate payments. For estimate payments, you do not have to submit a form. Extension you can eFile on eFile.com for free.
These payment options are independent from you preparing and eFiling your tax returns on eFile.com. eFile.com offers these payment options for the convenience of all tax payers.

 

Wisconsin Tax Return, Amendment, etc. Mailing Addresses
Addresses to mail Wisconsin Tax Returns, Amendments, Extensions, or Tax Payments.
WI Tax Return or Amended Tax Return: Address if you expect a Tax Refund on your Tax Return
Wisconsin Department of Revenue
P.O. Box 59
Madison, WI 53785-0001
WI Tax Return or Amended Return: Address if you owe Taxes and include payment.
Wisconsin Department of Revenue
P.O. Box 268
Madison, WI 53790-0001
WI Tax Payment: include voucher Form EPV
Wisconsin Department of Revenue
P.O. Box 930208
Milwaukee WI 53293-0208
WI Tax Estimate Payments: include Form 1-ES.
Wisconsin Department of Revenue
P.O. Box 930208
Milwaukee, WI 53293-0208

 

Other U.S. States, Territories, and Protectorates.

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