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Kentucky Income Taxes and KY State Tax Forms

The Kentucky State Income Taxes for Tax Year 2021 (January 1 - Dec. 31, 2021) can be prepared and e-Filed now along with an IRS or Federal Income Tax Return. Alternatively, you also only prepare and mail-in a KY state return. The Kentucky tax filing and tax payment deadline is April 18, 2022. Find IRS or Federal Tax Return deadline details.

efile Kentucky tax return
Kentucky
"The Bluegrass State"

For your information, the IRS and the respective State Tax Agencies require you to e-file a Federal Income Tax Return at the same time you e-file a State Tax Return. This is an IRS and State Tax Agency policy, not an eFile.com policy. Thus, you technically cannot e-File anywhere - not just eFile.com - a Kentucky Tax Return without also e-filing the associated IRS Tax Return. eFile.com makes it easy for you to prepare and e-file your IRS and Kentucky State Tax Return (e.g resident, nonresident, or part-year resident returns).

There is one option to only prepare a state tax return on eFile.com and mail it in instead of e-filing. Detailed instructions on how you can only prepare and mail in - not eFile - a Kentucky 2021 Tax Return - here via eFile.com. You can complete and sign the 2021 tax return forms online here on eFile, before you download, print and mail them to the state tax agency. The address is listed on the form. The IRS mailing address can be looked up here.

Function
Description
Prepare only a KY State Return without an IRS return. Details
Step by Step instructions on how to only Prepare and Download - not eFile - State Returns on eFile.com.
Where Is Your Kentucky Tax Refund Money?
Step 1: Sign into your eFile.com account and check acceptance by the Tax Agency.
Step 2: Check your Kentucky 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.
Kentucky Income Tax Extension
How to correct a rejected Tax Return
If your KY Tax Return was rejected by the KY Tax Agency - not eFile.com - instructions on how to correct a rejected Kentucky Tax Return.
Kentucky, IRS Late Filing, Tax Payment Penalties

1. Late Filing Penalty: The penalty is 2% of the total taxes owed for every 30 days or fraction of that time that a return is filed after the tax return deadline. The maximum penalty is 20% of the taxes owed amount.
2. Late Payment Penalty: The penalty is 2% of the total taxes owed for every 30 days or fraction of that time that the payment is submitted after the tax return deadline. The maximum penalty is 20% of the taxes owed amount that is not withheld, collect, or paid on time. There is a $10 minimum penalty.

3. IRS Penalties: Calculate and Estimate your potential IRS Income Tax Return Penalties.
KY Tax Return Mailing Addresses
Find various Kentucky Mailing Addresses for tax returns, tax amendments, and tax payments. 
Kentucky Income Tax Brackets
Kentucky Income Tax Forms
Kentucky Unemployment Benefits
Unemployment benefits is fully taxed in Kentucky.

 

Start Federal and Kentucky Tax Returns

 

2021 Kentucky Income Tax Filing Deadlines by Tax Year

The majority of deadlines listed here are for Tax Year 2021. Some apply to upcoming Tax Years and some are IRS or Federal deadlines.

Deadline
Type
Description
April 18, 2022
Tax Year 2021
Income Tax Return
Prepare and e-File an IRS (Due Date April 18, 2022) and Kentucky State Income Tax Return (Due Date April 18, 2022) until October 15, 2022. - eFileIT
April 18, 2022
2021 Income Tax Extension
October 15, 2022
Tax Year 2021
Income Tax Return after the April 18, 2022 Kentucky Tax Extension
Last day to e-File a 2021 Kentucky State Income Tax Return for Tax Extension Filers and late eFilers. You can only e-File (to file by paper see below) Kentucky Income Tax Return together with an IRS Tax Return. eFileIT
October 15, 2022 via mail-in Forms.
Forms incl. Mailing Address are listed below.
Tax Year 2021
Income Tax Return after the April 18, 2022 Kentucky Tax Extension
Deadline for taxpayers who got a KY Tax Extension to file their Kentucky Income Tax Return by mail-in Forms - the Forms incl. mailing addresses are listed below - is October 15, 2022. (Optionally, the eFileIT deadline is Oct. 15, 2022). Instructions on how to only - without the IRS return - prepare and file an Kentucky State Income Tax Return on eFile.com.
Tax Amendment for all Tax Years
IRS Due Dates
IRS Tax Return, Extension, Amendment Deadlines
2022, 2023, etc.
Other State Tax Return, Extension, Amendment Deadlines
Select respective State Tax Return Deadlines.
2022, 2023, etc.
IRS Federal Income Tax Return, Amendment, Extension Deadlines
April 15, 2025
2021 Kentucky 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 2021 Kentucky Income Tax Return Refund. This deadline does not apply if you owe 2021 Income Taxes.

E-File These 2021 Kentucky State Tax Forms

Prepare and e-file these state forms for 2021 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.

Description
Year
Status

* 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 File a Kentucky Tax Extension

For Tax Year 2021 you can e-File an IRS Tax Extension by April 18, 2022 for free on eFile.com (instructions on whether you should consider a Tax Extension or not). 

If you are certain that you cannot file your Kentucky return by the deadline, you needed to complete and file Form 740EXT by April 18, 2022 to receive a 6-month extension of time to file your return (not to pay). The extended tax return due date is October 15, 2022. However, if you have already filed a federal tax extension, you do not have to file a separate state extension form. Attach a copy of your federal extension to your state return to receive a tax return filing extension for your state return.

If you expect to owe Kentucky income taxes, you must pay at least 75% of your tax payment owed with the Extension Payment Voucher below the KY extension form by April 18, 2022 to avoid interest and late payment penalties. If the amount paid is less than 75%, you may be charged a late payment penalty of at least $10. An annual 6% interest rate applies to any taxes paid after April 18, 2022. If you eFiled your return and are making a payment by check or money order, you must complete the extension payment voucher on eFile.com. If you are making a payment by credit card, the voucher is not needed. If you are making an automatic extension payment, you also must use the voucher unless it is made electronically. Use eFile.com and prepare a Kentucky tax return to find out what your Kentucky state income tax payment will be.

If you owe Kentucky and/or IRS income taxes and don't pay them by Tax Day, you will be charged Kentucky and IRS late tax payment penalties. Calculate and estimate IRS late payment penalties.

The extended IRS/Kentucky eFile deadline is Oct. 15, 2022 - eFileIT. If you plan to file or mail-in a Kentucky tax return on paper - the Forms and Mailing Address are below - your due date is Oct. 15, 2022. 

Kentucky State Tax Payment Options
You can select one of these payment options either after you have e-filed or filed your 2021 Kentucky Tax Return. Alternatively, you can pay Kentucky income taxes here prior to filing (e.g in the case of an extension). Plus, you can make online Kentucky tax estimate payments for next tax year. If you eFiled your taxes and pay online, you do not have to send in Kentucky paper forms (e.g. payer tax return, extension form, or tax estimate form). 
Go to the Kentucky Department of Revenue EEPS to submit your payment. You will need to enter your demographic information and choose "Tax Account Number" as the account type.  After choosing the account type, select "Individual Income Tax - (Account Number is the Social Security Number) as your "Tax Type" and enter "ACH/Electronic Check" as your "Payment Type".
After submitting your payment, you can print your payment confirmation 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 EEPS site. Follow the instructions as above but choose "Credit/Debit Card" as the "Payment Type".
Use this payment option if you want to pay your tax payment via your credit or debit card. There is a convenience fee of 2.75% for credit cards, and 1.5% for debit cards per transaction.
Check or Money Order with Form 740-V
Complete voucher Form 740-V and attach it to your check or money order payable to "Kentucky State Treasurer". Write your Name, Address, SSN, and "2019 Form 740" on the check or money order. Mail them to the Form 740-V 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: 1) Go to the Kentucky Department of Revenue EEPS site to submit your estimated payment.  Enter your demographic information and "Tax Account Number" as your account type.  Then choose "Individual Income Tax - Estimated Payment (Account Number is the Social Security Number) as your "Tax Type". 2) Pay via ACH credit by sending tax payments from your bank account by choosing "ACH/Checking" as your "Payment Type" and choose your correct "Estimated Installment Period". You may need to contact your bank to make arrangements with them to credit the Kentucky bank account with funds from your bank account. Your bank will inform you about the ACH services it offers and any related costs. 3) Pay via credit or debit card follow the instructions above but choose "Credit/Debit Card" as your "Payment Type". Be aware that a convenience fee of 2.75% for credit cards and 1.5% for debit cards per transaction. 4) Complete voucher Form 740-ES. Attach a check or money order for the tax period payable to "Kentucky State Treasurer". Write your Social Security number on the check or money order. Mail the voucher and check/money order to the Form 740-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-Filed 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.

 

Kentucky Tax Return, Amendment, etc. Mailing Addresses
Addresses to mail Kentucky Tax Returns, Amendments, Extensions, or Tax Payments.
KY Tax Return or Amended Tax Return: Address if you expect a Tax Refund on your Tax Return
Kentucky Department of Revenue
Frankfort, KY 40618-0006
KY Tax Return or Amended Return: Address if you owe Taxes and include payment.
Kentucky Department of Revenue
Frankfort, KY 40619-0008
KY Tax Extension: Address if you owe Taxes and include payment. Tax Extension Payments, include Voucher Form 740EXT. Tip: Make Tax Payments online and you will not have to mail in the Form 740EXT.  See above.
Kentucky Department of Revenue
P.O. Box 1190
Frankfort, KY 40602-1190
KY Tax Payment: include voucher Form 740-V
Kentucky Department of Revenue
Frankfort, KY 40620-0011
KY Tax Estimate Payments: include Tax year 2021 Form 740-ES.
Kentucky Department of Revenue
Frankfort, KY 40620-0009

 

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

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