Electronic filing deadlines and perfection periods...

The following dates are for calendar-year filers. If you are a fiscal-year filer, see the form instructions for more information.

March

For Partnership (Form 1065 and Schedule K-1s) and S-Corporate (Form 1120S and Schedule K-1s) returns:

File returns or automatic 6-month extensions (Form 7004) by midnight Monday, March 15, 2021

April

For federal Corporate (Form 1120) and Fiduciary (1041) returns:

File returns or automatic 6-month extensions (Form 7004) by midnight Thursday, April 15, 2021.
Deposit the first installment of 2021 estimated tax by Thursday, April 15, 2021.

State Tax Deadline Updates (Last Update: 4/6/21)

Many state tax deadlines have changed to May 17th for individual returns. A few states have made deadline changes for business returns originally due April 15th.

For the most up to date information subscribe to the News and Updates post for program specific changes:

Get the latest on tax deadlines and guidance for your state below.

Alabama – May 17

Alabama has announced that the tax filing deadline for individual returns will be May 17, 2021. The state will waive late-payment penalties for payments made by May 17th. However, interest will accrue on any payments paid after April 15, 2021. This extension does not apply to estimated tax payments due on April 15, 2021.

Arizona - May 17

Arizona will follow the federal deadline for filing and payment for individuals until May 17, 2021. This extension does not apply to estimated tax payments due on April 15, 2021.

Arkansas – May 17

Arkansas will follow the federal deadline for filing and payment for individuals until May 17, 2021. This deadline does not apply to estimated payments or business returns.

California – May 17

California has extended the state filing and payment deadline for individuals to May 17, 2021. This extension does not apply to estimated tax payments due on April 15, 2021 or business tax returns.

Colorado – May 17

Colorado has extended its individual state income tax payment and filing deadline to May 17, 2021. Individuals will have the option to pay any 2020 income tax payments by May 17, 2021 without penalty or interest. This extension does not apply to estimated payments for the 2021 income tax year due for individuals and corporations on April 15, 2021. This extension does not apply to business tax returns.

Connecticut – May 17

Connecticut has extended the filing and payment deadline for Connecticut individual income tax returns to Monday, May 17th, 2021. This extension does not apply to estimated tax payments or business tax returns.

Delaware – May 17

Delaware has extended the filing and payment deadline for Delaware individual income tax returns to May 17, 2021. This extension does not apply to estimated tax payments or business tax returns.

Georgia – May 17

Georgia has announced that they have extended the individual filing and payment deadline for the tax year 2020. This extension only applies to the 2020 tax year individual state income tax payments and state individual income tax returns. This extension does not apply to state estimated tax payments due on April 15, 2021. These estimated tax payments are still due on April 15th. No extension has been provided for any other type of state tax (including employee withholding, sales tax, and business tax returns).

Hawaii - April 20

After careful consideration, the Hawaii State Department of Taxation has decided not to extend the Tax Year 2020 filing deadline. Taxpayers must file their returns by April 20, 2021.

Idaho – May 17

Idaho has extended the 2020 Idaho income tax filing deadline to May 17, 2021. This extension applies to all individual income tax returns and fiduciary returns (Form 66). Payment deadlines for individual income tax returns and fiduciary 1st quarter estimated payments have also been extended to May 17, 2021. This deadline also applies to property tax relief programs. The state corporate, partnership, and s-corporation filings have not been extended and will remain April 15, 2021.

Illinois – May 17

Illinois has extended the individual income tax filing and payment deadline to May 17, 2021. The filing extension does not apply to estimated tax payments that are due on April 15, 2021. This extension does not apply to business tax returns.

Indiana – May 17

Indiana has extended the deadline for individual income tax filing and payments to May 17, 2021. All other tax return filings and payment due dates remain unchanged.

Iowa – June 1

Iowa has extended its filing and payment deadline for individual tax returns until June 1, 2021. This extension also includes 1st Quarter estimated payments. This extension does not apply to business tax returns.

Kansas – May 17

Kansas has announced that Kansas 2020 individual income tax, fiduciary income tax, and Homestead or Property tax relief refund claim filings are extended to May 17, 2021. This extension does not apply to estimated tax payments or business tax returns.

Kentucky – May 17

Kentucky has extended the deadline for individual income tax filing and payments to May 17, 2021. Penalties, interest and additions to tax will begin to accrue on any remaining unpaid balances as of May 17, 2021. This extension only applies to individual taxpayers and does not apply to estimated tax payments or business returns.

Louisiana – June 15

The Louisiana state tax deadline has been extended to June 15. This extended due date is for individual income, corporation income and franchise, fiduciary income, partnership and partnership composite tax returns and payments with original or extended due dates on or after February 11, 2021 and before June 14, 2021. For excise, sales, severance and withholding tax returns and payments due on or after February 11, 2021 and on or before February 28, 2021 have a due date of March 31, 2021. The IRS has extended the federal tax deadline for Louisiana residents to June 15 due to the severe winter storms.

Maine – May 17

Maine has moved the deadline for Maine individual income tax return and individual tax payments to May 17, 2021. This extension does not apply to corporate tax returns and payments and does not apply to individual and corporate estimated tax payments. These estimated payments will remain due on April 15, 2021.

Maryland – July 15

The new tax deadline for Maryland state residents is now July 15, 2021. The extension applies to 2020 individual, corporate, pass-through entity, and fiduciary tax returns. It also includes 1st and 2nd quarter estimated payments that are typically due one April 15, 2021 and 2nd quarter estimated payments that are typically due on June 15, 2021 now have a deadline of July 15, 2021.

Massachusetts – May 17

Massachusetts has determined that individual personal income tax returns and payments for the 2020 tax year otherwise due on April 15, 2021 will now be due on May 17, 2021. This extension does not apply to estimated tax payments or business tax returns.

Michigan – May 17

Michigan has announced an extension for individual and composite state income tax returns and payments will be due on May 17, 2021. This extension is limited to the state individual and composite income tax annual return and does not apply to fiduciary return or corporate tax returns. This extension does not apply to first quarter estimated payments and payments due on April 15, 2021 will remain at that due date. This extension also does not apply to city income taxes. City income tax taxpayers should contact their respective tax administrators for information regarding their city income tax.

Minnesota – May 17

Minnesota is allowing additional time for making 2020 state individual tax filings and payments until May 17, 2021 without any penalty and interest being applied. This grace period does not include individual estimated tax payments. This extension does not apply to business tax returns.

Mississippi – May 17

Mississippi will follow the federal extension to file the 2020 individual income tax returns to May 17, 2021. This extension only applies to the filing of individual income tax returns and payment of tax due. There will be no penalty and interest accrued on returns filed and payments made on or before May 17, 2021. This extension does not apply to quarterly estimated payments and payments due on April 15, 2021 will remain at that due date.

Missouri – May 17

Missouri has announced the extension of their state individual tax filing and payment deadline for 2020 tax year to May 17, 2021. This extension applies to individual taxpayers including those who pay self-employment tax. However, the extension does not apply to estimated tax payments due on April 15, 2021 and that deadline has not changed. This extension does not apply to business tax returns.

Montana – May 17

Montana has announced that the deadline to file 2020 Montana individual income tax returns is May 17, 2021. Montana taxpayers who file by May 17 will not have to worry about interest or penalties. This extension does not apply to quarterly estimated payments.

Nebraska – May 17

Nebraska has extended the deadline for individual income tax returns. This extension for filing and postponement of payment does not include estimated payments or business tax returns.

New Hampshire - April 15

New Hampshire Department of Revenue has announced that after much consideration and review, the tax deadline for the State of New Hampshire will remain April 15, 2021.

New Jersey – May 17

New Jersey has extended the 2020 income tax filing and due date for individuals to May 17, 2021. This extension includes any tax payments due with a return. This extension does not include first quarter estimated payments, which are still due by April 15, 2021.

New Mexico – May 17

New Mexico has extended the deadline for filing and paying 2020 New Mexico Personal Income taxes to May 17, 2021. This extension does not apply to business tax returns or estimated payments.

New York – May 17

New York State has extended the due date for personal income tax returns and related payments for the 2020 tax year to May 17,2021. This extension is limited to personal income tax returns for individuals only. The deadline for payment or deposit of any other type of state tax or filing of any other state information return remain unchanged. This extension does not apply to estimated tax payments for the 2021 tax year that are due on April 15, 2021 still are due on April 15, 2021. This extension does not apply to business tax returns.

North Carolina – May 17

North Carolina has extended the time for filing North Carolin individual income tax to May 17, 2021. The state will not charge penalties for those filing and paying their taxes by May 17, 2021. However, tax payments received after April 15 will be charged interest accruing from April 15 until the date of payment. This extension does not apply to trust taxes, sales and use, or withholdings taxes or estimated payments due on April 15, 2021. This extension also does not apply to business tax returns.

North Dakota – May 17

The deadline for North Dakota individual tax return filing and payments has been extended to May 17, 2021 without penalty and interest. This extension does not apply to estimated tax payments due on April 15, 2021. This extension also does not apply to business tax returns.

Ohio - May 17

Ohio has extended the filing and payment deadline for Ohio individual income tax returns and school district income taxes for tax year 2020 to May 17, 2021. This extension does not apply to estimated tax payments or business tax returns.

Oklahoma – June 15 (Individual and Business Payments deadline)

The individual and business payments tax deadline for Oklahoma has been extended to June 15 to provide relief to those affected by the severe winter storms. This includes first quarter estimated tax payments.

The IRS has extended the federal tax deadline for Oklahoma residents to June 15 due to the severe winter storms.

Oregon – May 17

Oregon will follow the IRS and extended the tax filing and payment deadline for individuals to May 17. This extension does not apply to estimated tax payments or business returns.

Pennsylvania – May 17

Pennsylvania has extended the deadline for individual income tax return filings and payments to May 17, 2021. This extension does not apply to estimated tax payments due on April 15, 2021. This extension does not apply to business returns.

Rhode Island – May 17

Rhode Island has postponed its deadline for individuals to file their Rhode Island personal income tax returns and make related payments for the 2020 tax year to May 17, 2021. This extension does not apply to estimated payments or business tax returns.

South Carolina – May 17

South Carolina has extended the deadline for individual income tax return filings and payments for the 2020 tax year to May 17, 2021. This extension is only for individual tax returns and does not apply to estimated tax payments due April 15, 2021.

Tennessee – May 17

Tennessee has announced the extension for filing and payment for individual income tax returns to May 17, 2021. This extension applies for all taxpayers that file individual income tax. For franchise and excise tax, the extension only applies to individuals who file a Tennessee franchise and excise tax return using a Schedule J2 – Computation of Net Earnings for a Single Member LLC Filing as an Individual. This extension does not apply to estimated payments due April 15, 2021. These estimated payments are still due on April 15.

Texas – June 15 (franchise tax deadline)

Texas has extended the franchise tax deadline from May 15 to June 15, to provide relief to those affected by the severe winter storms. This is in line with the federal extension for Texas residents.

Texas does not have individual state taxes.

Utah – May 17

The due date for Utah individual income tax for tax year 2020 is May 17th. The extension of the individual filing due date has the effect of also postponing the payment due date to May 17th. Interest and penalties will not accrue if payment requirements are met by this new due date. This extension does not apply to estimated tax payments and business tax returns.

Vermont – May 17

Vermont has extended the deadline for taxpayers to file their 2020 personal income tax return and pay any tax owed to May 17, 2021 without any penalties or interest. This extension also applies to Homestead Declarations and Property Tax Credit Claims allowing taxpayers to file these with their personal income tax return by May 17 without penalty or interest. This extension does not apply to any estimated payments due on April 15, 2021. This extension also does not apply to business tax returns.

Virginia – May 17

Virginia has extended the state filing and payment deadline for individuals to May 17, 2021. THis extension does not apply to estimated tax payments or business tax returns.

Washington D.C. – May 17

The District of Columbia has extended the state filing and payment deadline for individuals to May 17, 2021. This extension does not apply to estimated tax payments or business tax returns.

West Virginia – May 17

West Virginia extended the state filing and payment deadline for individuals to May 17, 2021. This extension does not apply to estimated tax payments or business tax returns.

Wisconsin – May 17

Wisconsin has extended the individual income tax return filing and payment deadline to May 17, 2021. This extension does not apply to 2021 estimated tax payments for individuals due April 15, 2021 and does not apply to any other return or tax payments due.

Additional e-file and perfection period information

Remember to check the e-file status on the return to make sure your return or extension is accepted by the taxing authority. If your return or extension is rejected, follow the guidelines below to make sure it stays timely filed.
Returns and extensions don't have to be Accepted by the IRS or states on March 15 to be considered timely filed. An electronic postmark is assigned to a return when it's received by the Intuit Electronic Filing Center. This electronic postmark is the date and time the return or extension is considered filed. This electronic postmark is reported as the Return Submitted date and time displayed.
The ERO should print the status from the program by copying the information and then pasting it into a text editor. File this document with the paper return or extension.
The ERO is allowed 10 calendar days to resubmit a rejected e-file return.
The ERO is allowed 5 calendar days to resubmit a rejected e-file extension.
See Publication 4163 under the Transmission Perfection Period section for more information.

June

For Corporate (Form 1120) and Fiduciary (Form 1041) returns:

Deposit the second installment of 2021 estimated tax by Monday, June 15, 2020.

September

For Partnership (Form 1065) and S-Corporate (Form 1120S) returns, if you timely requested a 6-month extension in March:

File returns by midnight Wednesday, September 15, 2021.

For Fiduciary (Form 1041) returns, if you timely requested a 6-month extension in April:

File returns by midnight Thursday, September 30, 2021.

For Corporate (Form 1120) and Fiduciary (Form 1041) returns:

Deposit the third installment of 2021 estimated tax by Wednesday, September 15, 2021.

October

For Corporate returns (Form 1120), if you timely requested a 6-month extension in April:

File returns by midnight Friday, October 15, 2021.

December

For Corporate returns (Form 1120):

Deposit the fourth and final installment of 2021 estimated tax by Wednesday, December 15, 2021.

January

For Fiduciary returns (Form 1041):

Deposit the fourth and final installment of 2021 estimated tax by Monday, January 17, 2022.

State-specific information

Alabama Corporation, S-Corporation, and Partnership returns

The state of Alabama allows a 10 business day period to retransmit the corrected return. The perfection period starts from the date the State of Alabama rejects the original submission. The original submission ID must be transmitted with the perfected return. This way the original submission date can be populated in our system to prevent any late filing penalties being assessed.

California Corporation, S-Corporation, and Partnership returns

California Corporation, S Corporation, and Partnership returns that are timely filed electronically and rejected can be corrected and retransmitted within 10 days from the date of rejection to still be considered timely filed (California 2011 FTB Pub.1345B, page 5). For more information, please visit the California Franchise Tax Board website.

Georgia Corporation and S-Corporation returns

Georgia follows the IRS guidelines for correcting and resubmitting rejected returns. For more information, visit the Georgia Department of Revenue website.

Iowa Corporation, S-Corporation and Partnership returns

If a return is rejected, it can be corrected within 10 days and be given the electronic postmark date of the original rejected tax return, provided that the corrected submission references the original submission ID.

Kansas Corporation, S Corporation and Partnership returns

Kansas follows the IRS guidelines for correcting and resubmitting rejected returns. For more information, visit the Kansas Department of Revenue website.

Maryland Corporation and passthrough returns and extensions

From the Maryland Corporate e-File Handbook, page 11:

"If the electronic return cannot be accepted for processing electronically, the taxpayer must file a paper return. In order for the paper return to be considered timely, it must be filed by the later of the due date of the return or 10 calendar days after the date Maryland gives notification the return is rejected. The paper return should include an explanation of why the return is being filed after the due date and include a copy of the reject notification."

If the electronic return can be retransmitted it must be filed by the later of the due date of the return or 5 calendar days after the date Maryland gives notification the return is rejected. For more information, please visit the Comptroller of Maryland website.

Massachusetts Corporation, S-Corporation, Partnership and Fiduciary returns and Corporation and S-Corporation extensions

Massachusetts Corporation, S Corporation, Partnership, and Fiduciary returns and Corporation and S-Corporation extensions that are timely filed electronically and rejected can be corrected and retransmitted within 5 business days of the date the acknowledgment was made available. For more information, please visit the Massachusetts Department of Revenue website.