Find extension information about your State!
**Remember in most cases an extension gives you more time to file ...........not more time to pay.
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If you know you cannot file your return by the due date you do not need to file for an extension. You will automatically be granted a 6 month extension. If you anticipate that you will owe additional tax on your return you should submit your payment with a payment voucher (Form 40V) by April 15.
An extension means only that you will not be assessed a penalty for filing your return after the due date. Interest on the additional tax due from the due date of the return and any penalties will be assessed if applicable to your return.
You may request an extension if you know you will not be able to file on time.
NOTE: An extension does not extend the time to pay your income tax.
To get a filing extension, you can either:
- Apply for a state extension (Form 204). To apply for a state extension, file Arizona Form 204 by April 15. See Form 204 for details. You do not have to attach a copy of the extension to your return when you file, but make sure that you check box 82F on page 1 of the return. If you must make a payment, use Arizona Form 204, or visit www.aztaxes.gov to make an electronic payment.
- Use your federal extension (federal Form 4868). File your Arizona return by the same due date. You do not have to attach a copy of your federal extension to your return, but make sure that you check box 82F on page 1 of the return.
If you request an extension of time to file your federal income tax return (by filing federal Form 4868 with the IRS) you are entitled to receive the same extension on your Arkansas income tax return. The federal automatic extension extends the deadline to file until October 15th.
The Department no longer requires that a copy of federal Form 4868 be attached to your state tax return. When your Arkansas return is complete and ready to file, simply check the box on the face of the return indicating you filed a federal extension.
If you do not file a federal extension, you can file an Arkansas extension using Form AR1055 before the filing due date of April 15th. Inability to pay is not a valid reason to request an Arkansas extension. Send your request to:
Individual Income Tax Section
P.O. Box 3628
Little Rock, AR 72203-3628
Pay the amount you owe by April 17 to avoid penalties and interest. You can pay online at the FTB website with check or by credit card. Then file your return by October 17. Choose e-file to ensure that the FTB receives your return on time.
Use the worksheet on form FTB 3519 to figure your tax.
An automatic extension to file is granted until October 15th, but there is no extension to pay. Colorado offers an automatic 6-month extension to file your income tax return if you cannot submit your return by the April 15 due date. This means that you can file your return by October 15 without filing the extension form DR 0158-I. However, 90% of your tax MUST BE PAID by April 15. If you must wait until October 15 to file your return, use worksheet on DR 0158-I (to calculate whether you need to remit a payment on April 15.
To request an extension of time to fi le your return, you must fi le Form CT-1040 EXT, Application for Extension of Time to File Connecticut Income Tax Return for Individuals, and pay all the tax you expect to owe on or before the due date. Visit www.ct.gov/TSC to fi le your extension over the Internet.
See CT-140EXT Form and Instructions for more information.
You can also file this form online at Internet Individual Income Tax Extension. Read the page carefully then click the next button to start the extension.
District Of Columbia
Use form FR-127 if you cannot file your DC individual income tax return by the April 15, 2014 due date. By filing this form, you can receive an extension of time to file until October 15, 2014. You must use Form FR-127 to request an extension of time to file a DC individual income tax return.
A filing extension is not an extension of the due date for paying any tax you may owe. Before filing for an extension, estimate the taxes you will owe and pay any part of that amount, not covered by DC withheld tax amounts and/or estimated tax payments. Include your payment with the FR-127 voucher and file it by April 15, 2014. Click here to download FR-127.
There are two ways to obtain an extension to file your Georgia income tax return:
- Attach a copy of the Federal Form 4868 to the Georgia return when filed. If you request a federal extension electronically, you must attach a copy of the IRS confirmation letter to your Georgia return. Contact the IRS at 1-800-829-1040 to obtain Form 4868.
- Submit Georgia Form IT-303. You must mail Form IT-303 before the return due date and attach a copy to the return when filed. Also, keep a copy of the form for your records. GA will notify you only if your extension request is denied.
An extension to file does not extend the date for paying the tax. Tax must be paid by the statutory due date to avoid late payment penalty and interest. Use Form IT-560 to pay tax due. The amount paid should be entered on Form 500, Page 2, Line 20.
Click here to download Georgia Forms.
If you are unable to fi le by April 20, 2014, you are granted an automatic 6-month extension of time to file Form N-11, Form N-13, and Form N-15 without filing Form N-101A (or any other form) unless an additional tax payment must be made. The extension of time to file is NOT an extension of time for payment of tax. You must fi le Form N-101A if you are making a payment. You may not use federal Form 4868 instead of Form N-101A. Click here to download N-101A.
If you can't file your Idaho state income taxes by April 15, 2014, you may be eligible to get an automatic six-month extension without filing a form. To qualify, you need to pay either an estimated 80 percent of
your current year's tax liability or 100 percent of what you paid for state income taxes the prior year. You can avoid a penalty for late filing, but will be charged interest on the remaining tax until
it's paid. Complete the worksheet on Idaho Form 51, Estimated Payment of Idaho Income Tax, to see if you meet the extension requirements. If you need to make a payment to avoid a penalty, you can mail
Form 51 with your check or money order. Click here to download Form 51.
Illinois grants an automatic six-month extension of time to file your return. If you receive a federal extension of more than six months, you are automatically allowed that extension for Illinois. These extensions do not grant you an extension of time to pay any tax you owe. If you determine that you will owe tax, you must use Form IL-505-I, Automatic Extension Payment for Individuals, to pay any tax you owe to avoid penalty and interest on tax not paid by April 15, 2013. Click here to download IL-505-I.
If you are unable to file your IN return by April 15, 2014, you need to file an extension regardless you owe taxes or not. If you have a valid federal extension, Form 4868, you automatically have an extension with Indiana and do not have to file for a separate state extension (Form IT-9). Otherwise, you have to file state extension on IT-9. Keep in mind, the extension is for filing not for paying the taxes due.
For more information, please refer to IT-9.
Iowa grants an automatic 6 month extension to file your tax return. There is no special form needs to be filed. This extension is for filing but not for paying the taxes due. To avoid the late-filing penalty, at least 90% of your total tax liability must be paid by April 30, 2014; you will automatically have until October 31, 2014, to file your return. You may, however, owe a 2210 penalty for failure to make estimate payments. You will owe interest on any tax due after April 30, 2014. Click here to download Iowa form 2210.
If you are unable to complete your Kansas return by the filing deadline, you may request an extension of time to file. If you filed Form 4868 with the Internal Revenue Service for an automatic extension to file, enclose a copy of this form with your completed Form K-40 to automatically receive an extension to file your Kansas return. Kansas does not have a separate extension request form. (If you are entitled to a refund, an extension is not required to file the return after the original due date.)
Important: An extension of time to file is NOT an extension to pay. If you do not pay the tax amount due (may be estimated) by the original due date, you will owe interest and penalty on any balance due.
To pay the tax balance due for an extension, use the Kansas Payment Voucher (K-40V). Check the box on the voucher for extension payment. Click here to download K-40V.
Taxpayers who request a federal extension are not required to file a separate Kentucky extension. The requirements may be met by attaching federal Form 4868 (automatic extension) to the Kentucky return.
Interest at the “tax interest rate” applies to any income tax paid after the original due date of the return. If the amount of tax paid by the original due date is less than 75 percent of the tax due, a late payment penalty may be assessed (minimum penalty is $10). Interest and late payment penalty charges can be avoided by remitting payment with the Extension Payment Voucher below by the due date.
Attach a copy of the appropriate federal extension form to the Kentucky return, or File Kentucky Form 40102 to make a payment.
Kentucky residents who are in the military are often granted extensions for military service when serving outside the United States. Any extension granted for federal income tax purposes will be honored for Kentucky income tax purposes. Any income earned in a combat zone that is exempt for federal tax purposes is also exempt for Kentucky tax purposes.
The Secretary of the Louisiana Department of Revenue may grant an extension of time for filing returns not to exceed six months from the date the Louisiana income tax return is due. Extensions must be filed before the due date of the return. An extension can be requested on the LDR website. By requesting an extension, you are only requesting additional time to file your tax return. An extension does not extend the time to pay the tax. Payments received after the due date will be charged interest and penalties. Click here to go to Louisiana Department of Revenue website.
A State of Maine extension request form is no longer required. If you are unable to file your return by the original due date, Maine will allow an automatic six month extension of time in which to file your return. Requests for additional time beyond the automatic six month extension to file must be submitted in writing prior to the expiration of the six month period.
A penalty for failure to file will not be assessed if you file your return by the extended due date. However, to avoid penalties for late payment, you must pay at least 90 percent of the tax you owe by the original return due date. Please remit your estimated tax payment with the extension payment voucher found in the booklet. Interest will be charged on any unpaid tax balance remaining after the original return due date regardless of any extensions to file.
If you owe tax, you must pay at least 90% of that amount by the original due date for filing your return (April 15 for calendar-year filers) in order to avoid the penalty for late payment of tax. Use Form 1040-EXT-ME to make your tax payment.
If necessary, you may request an extension of time of up to six months beyond the filing deadline to file your return.
If you already requested an extension from the IRS for your federal return and you do not owe additional state tax, you receive an automatic six-month extension for filing your Maryland return.
If no tax is due and you did not request a federal extension, you can request a six-month Maryland extension online or by calling 410-260-7829 from Central Maryland or toll-free 1-800-260-3664 from elsewhere. If you do owe additional tax and need an extension of time to file, you must file Form 502E by the due date and enclose a check or money order for the amount you expect to owe. You can also pay by credit card. You can pay by direct debit if you file electronically. You should file Form 502E only if you are making a payment with your extension request.
No request will be granted for an extension of more than six months, unless you are out of the United States, in which case you may request an extension of up to one year.
Your 2013 Massachusetts Form 1 is due on or before April 15, 2014. You may request an extension by filling out a Form M-4868, Application for Automatic Six-month Extension of Time to File Massachusetts Income Tax Return, using one of the following methods:
- via the web using DOR's WebFile for Income.
- by completing a paper Form M-4868.
Taxpayers who do not owe money with their extensions, so-called zero extensions, are not required to file Form M-4868. This applies to taxpayers who have calculated a refund or have paid 100 percent of their taxes through withholding, credit forwards and estimates, and who expect to owe nothing more when the return is filed. For details, please visit MA website..
To request more time to file your Michigan tax return, send a payment of your estimated tax to Treasury with a copy of your approved federal extension (U.S. 4868) on or before the original due date of your return. Treasury will extend the due date to your new federal due date. If you do not have a federal extension, file an Application for Extension of Time to
File Michigan Tax Returns (Form 4) with your payment. Treasury will not notify you of approval. Do not file an extension if you will be claiming a refund.
An extension of time to file is NOT an extension of time to pay. If you do not pay enough with your extension request, you must pay interest on the unpaid amount. Compute interest from the original due date of the return. Interest is 1 percent above the prime rate and is adjusted on July 1 and January 1. You may be charged a penalty of 10 percent or more if the balance due is not paid with your extension request. When you file your MI-1040 return, include on line 37 the amount of tax you paid with your extension request. Attach a copy of your federal or state extension to your return.
Note: If you requested and received an e-filed federal extension, you must attach your paper U.S. 4868 form to the MI-1040. If you e-filed your MI-1040 return and you e-filed your federal extension, you must send us a completed paper U.S. 4868 form.
If you can’t file your return by the regular due date (April 15 for most people), you are allowed six months (or until Oct. 15) before a late-filing penalty is charged. You don’t have to submit a separate form to request an extension. However, this extension is for filing only, not for the tax owe. The tax owe is due on April 15. You may pay electronically or by check with a voucher (Form M13, Income Tax Extension Payment). Please visit MN website for more information.
Mississippi tax return is due on April 15, 2014. If you receive an extension of time to file your federal income tax return, you are automatically allowed an extension of time to file your Mississippi income tax return. You will need to attach a copy of your federal extension (federal Form 4868 or 2688) with your Mississippi income tax return when you file. An extension of time to file does not extend the time to pay any tax due. To avoid interest and penalty charges, you should pay your tax by the April 15th due date with Form 80-106 by April 15.
You are not required to file an extension if you do not expect to owe additional income tax or if you anticipate receiving a refund. If you wish to file a Missouri extension, and do not expect to owe Missouri income tax, you may file an extension by filing Form MO-60 , Application for Extension of Time to File. An automatic extension of time to file will be granted until October 15.
If you receive an extension of time to file your federal income tax return, you will automatically be granted an extension of time to file your Missouri income tax return, provided you do not expect to owe any additional Missouri income tax. Attach a copy of your federal extension (Federal Form 4868) with your Missouri income tax return when you file. If you expect to owe Missouri income tax, file Form MO-60 with your payment by the original due date of the return. Remember: An extension of time to file does not extend the time to pay. A 5 percent additions to tax will apply if the tax is not paid by the original return’s due date, provided your return is filed by the extension date.
Montana personal income tax is due on April 15, 2014. You are granted an automatic extension of time of up to six months for filing your Montana income tax return if one of the following applies to you:
- Your 2013 tax liability is $200 or less.
- You paid 100% of your 2012 Montana income tax liability through your estimated tax payments, your withholding, or a combination of both by April 15, 2014.
- You paid at least 90% of your 2013 Montana income tax liability through your estimated tax payments, your withholding, or a combination of both by April 15, 2014.
- You are a first time filer.
- You had zero or negative taxable income for 2012.
You do not need to apply for a federal extension in order to receive a Montana extension. Please use the Montana Form EXT-13, 2013 Extension Payment Worksheet, to determine if you have to make
an extension payment by April 15, 2014, to qualify for the automatic filing extension.
A NEBRASKA EXTENSION OF TIME to file Forms 1040N or 1040NS may only be obtained by:
- Attaching a copy of a timely filed Application for Automatic Extension of Time to File U.S. Individual Income Tax Return, Federal Form 4868, to the Nebraska return when filed;
- Attaching a schedule to your Nebraska return listing your federal confirmation number and providing an explanation that you received an automatic federal extension by making a payment of your federal estimate of tax due using a credit card;
- Filing a Nebraska Application for Extension of Time, Form 4868N, on or before the due date of the return, when you need to make a tentative Nebraska payment or a federal extension is not being requested;
- Attaching a copy of the statement or letter submitted with your federal return requesting the automatic extension of time for a U.S. citizen residing outside the U.S. or Puerto Rico, to the Nebraska return when filed; or
- Attaching information to document a combat zone-related extension.
Failure to attach the applicable extension document will result in a late filing penalty. Even when an extension of time is given, interest is still due on any unpaid tax. An extension of time cannot exceed a total of seven months after the due date of the return.
To be eligible for an extension you must have paid at least 80% of the tax liability computed on the New Jersey gross income tax return on April 15, 2014. Otherwise, your extension will be denied and penalty and interest will be imposed from the original due date of the return.
You must file this NJ-630 application if:
- You are applying for an extension of time to file a New Jersey gross income tax return but you are not applying for a federal extension; or
- You are applying for both a federal and a New Jersey extension and are required to remit payment to the New Jersey Division of Taxation by the original due date of the return in order to have at least 80% of your actual tax liability (as computed on your New Jersey gross income tax return when filed) paid.
You need not submit this NJ-630 application if:
The application for extension of time to file a New Jersey gross income tax return (Form NJ-630) must be filed (postmarked) no later than the original due date of the return. Extension requests may also be filed online until 11:59 p.m. on April 15, 2014, at: http://www.state.nj.us/treasury/taxation/. If you are required to make a payment with your online extension application, the payment must be made by e-check or credit card.
- You have paid at least 80% of your final tax liability by the original due date, and
- You have applied for an automatic extension of time to file for federal purposes and you enclose a copy of the federal Application for Automatic Extension with the final New Jersey return when filed.
The due date for filing New Mexico tax is April 15, 2014. New Mexico recognizes and accepts an IRS automatic extension of time to file. If you obtained the federal six-month automatic extension by filing federal Form 4868, Application for Automatic Extension of Time to File U.S. Individual Income Tax Return for tax year 2013, you have six months to file your New Mexico return.
Beyond the six months, you are required to obtain an additional extension through the IRS or the state. If you expect to file your federal return by the original due date or by the six- month automatic extension allowed by the IRS, but need additional time to file your New Mexico return, ask for an extension of time by filing New Mexico Form RPD-41096, Application for Extension of Time to File. File Form RPD-41096 on or before the April 15, 2014 due date. You do not need to attach an approved state extension to your return. Click here to visit NM Tax and Revenue Department.
April 15, 2014 is the date by which you must file your 2013 New York State income tax return and pay any amounts you owe without interest or penalty. If you cannot file by this date, you can get an automatic 6.month extension of time to file (to October 15, 2014) by filing IT.370, Application for Automatic Six.Month Extension of Time to File for Individuals. Keep in mind, tax owe needs to be paid with that form to avoid interest and penalty.
If you can not file your North Carolina Individual Income Tax Return by the due date, you may apply for an automatic six-month extension. To receive an extension of time, you can file Form D-410 and properly estimate the amount of tax your expect to owe. However, you are not required to pay the tax you expect to owe with the extension request to avoid the late filing penalty.
You can file and pay online Online Filing and Payments
You are not required to send a payment of the tax you estimate as due to receive the extension; however, it will benefit you to pay as much as you can with the extension request. An extension of time for filing the return does not extend the time for paying the tax. If you do not pay the amount due by the original due date, you will owe a 10 percent late-payment penalty and interest. The late-payment penalty will not be due if you pay at least 90 percent of your tax liability through withholding, estimated tax payments, or with Form D-410 by the original due date.
If you do not file the application for extension by the original due date of the return, you are subject to both a late-filing penalty and a latepayment
penalty. The penalties will also apply if your extension is not valid. An application for extension is not valid if the amount entered on Form D-410 as the tax expected to be due is not properly estimated.
You may obtain an extension of time to file your North Dakota individual, corporation, or fiduciary income tax return by obtaining either a federal extension or a North Dakota extension.
If you obtain an extension of time to file your federal return, it will be recognized for North Dakota purposes. When you file your North Dakota return, you must attach a copy of the federal extension form filed with the IRS and check the appropriate block on the front page of your North Dakota return that an extension is attached. If a copy of the federal extension is not attached, the North Dakota return must be processed as a delinquent return.
If you do not obtain a federal extension, but need additional time to fi le your North Dakota return, you may apply for a North Dakota extension by completing and filing Form 101.
This is not an automatic extension—you must have good cause to request a North Dakota extension. Form 101 must be postmarked on or before the due date of your return. You will be notified whether your extension request is approved or rejected. If approved, attach a copy of the approved extension form to your return and fi ll in the circle next to “Extension” in the top right-hand corner of your return.
You must first qualify for an IRS extension of time to file. Ohio does not have an Ohio extension form but honors the IRS extension. You should attach to the Ohio income tax return a copy of your IRS extension or your extension confirmation number or a printed copy of the IRS Acknowledgment. Except as set forth below, there is no extension for paying the tax. Make extension payments on Form IT-40P by April 15, 2014.
Exception: Certain military personnel may have an additional extension to file and to pay.
National Guard and Reserve Servicemembers Called to Active Duty
A taxpayer eligible for a federal extension receives an automatic extension to file an Ohio return and to pay the tax. The Ohio extension is for the same length of time as the federal extension. Each taxpayer who is (i) either a member of the National Guard or a reserve component of the armed forces of the United States, (ii) called to active duty pursuant to an executive order issued by the president of the United States or an act of Congress of the United States and (iii) eligible for a federal extension of time to file her/his federal income tax return automatically receives an extension of time to file the Ohio income tax return and to pay the Ohio income tax. The Ohio extension is for the same length of time as the federal extension. During the extension period, these taxpayers do NOT have to pay any interest, interest penalty or penalty on any tax due.
An extension of time to file your income tax return shall not be granted unless 90% of the tax liability is paid on or before the original due date of the return.
Since the Oklahoma return cannot be completed until the Federal return is completed, the Oklahoma Tax Commission has administratively adopted the policy of honoring the automatic Federal extension, when no additional state tax is due, as an extension of time to file the Oklahoma return. When you file your Oklahoma return, simply enclose a copy of the Federal extension.
Therefore, you only need to use Form 504 to apply for additional time to file your income tax return when you owe additional Oklahoma income tax or you do not have a Federal extension. Also, corporations need to use this form when filing for additional time beyond that granted by the Federal extension. When you file your Oklahoma return, enclose a copy of the Oklahoma Extension.
Remember, you can not get an extension of time to pay your income tax, but only to file your return. Delinquent penalty of 5% may be charged, if at least 90% of your total tax liability has not been paid by the original due date. Delinquent interest, at the rate of 1.25% per month, may be charged if 100% of your tax liability is not paid by the original due date of the return.
If you need more time to file, request an automatic six month extension. Complete an Oregon extension form, Form 40-EXT, if:
- You’re making a tax payment to Oregon and you can’t file your Oregon return by April 15, 2014, or
- You are filing an extension for Oregon only.
Extensions must be filed by the due date of the return, April 15, 2014.
If you received a federal extension and are expecting an Oregon refund, do not use Form 40-EXT. Oregon will allow the same extension.
The Department will grant an extension of time to file a PA income tax return up to six months. Unless the taxpayer is outside the U.S., the Department will not grant an extension for more than six months.
If a taxpayer has been approved an extension of time to file his/her federal income tax return and does not owe PA income tax with the state return, the Department will grant the same extension for filing the PA tax return. Otherwise, taxpayers need to submit Form 276.
Keep in mind that en extension to file is not an extension to pay. Tax owe is due on the regular due date.
Any extension of time granted for filing an individual income tax return shall not operate to extend the time for the payment of any tax due on such return.
In General -
- An individual who is required to file a Rhode Island income tax return shall be allowed an automatic six month extension of time to file such return.
- An application must be prepared in duplicate on form RI-4868.
- The original of the application must be filed on or before the date prescribed for the filing of the return of the individual with the Rhode Island Division of Taxation.
- Such application for extension must show the full amount properly estimated as tax for such taxpayer for such taxable year, and such application must be accompanied by the full remittance of the amount properly estimated as tax which is unpaid as of the date prescribed for the
filing of the return..
NOTE: If no payment is required to be made with your Rhode Island extension form and you are filing a federal extension form for the same period of time, then you do not need to submit the Rhode Island form. Attach a copy of the Federal Form 4868 or the electronic acknowledgement you receive from the IRS to your Rhode Island individual income tax return at the time it is submitted.
If you need more time to file your South Carolina return, note the following:
You may file and pay with your extension on-line through the South Carolina website: SC4868 (Request for Extension of Time to File)
If you will receive a refund of state income taxes, South Carolina will allow you the same length of time that is allowed by your federal extension. If you do not have a federal extension, then you must file a SC4868 by April 15, 2014.
You will owe interest from April 16, 2007 to date of payment. A penalty may also be charged after April 17th if an additional payment is required. To avoid the penalty, you must: 1) pay at least 90 percent of the tax by April 16, 2007, and 2) pay the additional balance, if any, within the extended time period.
Utah personal tax return is due on April 14, 2014. You automatically get an extension of up to six months to fi le your return. Utah does not have an extension form. However, penalties will be assessed if you have not met the prepayment requirements by the original due date. All extension returns must be fi led by October 15, 2014. Please visit Utah Department of Revenue for details.
Vermont follows the IRS in allowing an automatic six-month extension of time to file the individual income tax return. You must file either VT form IN-151 or a copy of the Federal extension return by the original due date of the return.
You can find Form IN-151 here. Simply choose it from the drop down menu
Remember: An extension is only for more time to file the income tax return. It does not extend the due date for payment. Interest and penalty accrue on any tax due from April 16th to the time of payment.
Virginia income tax return is due on May 1, 2014. All taxpayers are granted an automatic 6-month extension of time to file their income tax returns. No application for extension is required; however, any tentative tax due must be paid with an extension voucher, Form 760IP, by the original due date for filing the return.
The extension is for filing the return, not for payment of the tax; therefore, you must pay at least 90% of your tax by the due date, to avoid incurring any penalties or interest. To make a payment of tentative tax, use Form 760IP. You can download VA forms on this link.
If you obtain an extension of time to file your federal income tax return, you are automatically allowed the same extension of time to file your West Virginia income tax return. You must enter on your return the date to which the extension was granted. If a federal extension was granted electronically, write “Federal Extension granted” and the confirmation number at the top of the form. Enter the extended due date in the appropriate box. A copy of federal Schedule 4868 must be attached to your return.
If you need an extension of time for West Virginia purposes but not for federal purposes, or if you expect to owe an additional tax due to West Virginia, you must submit a completed Schedule L (Application for Extension of Time to File) and pay any tax expected to be due.
Your Wisconsin return is due April 15, 2014.
If you cannot file on time, you can get an extension. You may use any federal extension provision for Wisconsin, even if you are filing your federal return by April 15.
You do not need to submit a request for an extension to the department prior to the time you file your Wisconsin return. When you file your Form 1 enclose either:
- a copy of your federal extension application (for example, Form 4868) or
- a statement indicating which federal extension provision you want to apply for Wisconsin (for example, the federal automatic 6-month extension provision).
More information about Wisconsin tax extension is available at Wisconsin Department of Revenue.