WASHINGTON — The Internal Revenue Service today provided late-payment penalty relief to individuals and businesses requesting a tax-filing extension because they are attaching to their returns any of the forms that couldn't be filed until after January.

The relief applies to the late-payment penalty, normally 0.5 percent per month, charged on tax payments made after the regular filing deadline. This relief applies to any of the forms delayed until February or March, primarily due to the January enactment of the American Taxpayer Relief Act.

Taxpayers using forms claiming such tax benefits as depreciation deductions and a variety of business credits qualify for this relief. A complete list of eligible forms can be found in Notice 2013-24, posted today on IRS.gov.

Individuals and businesses qualify for this relief if they properly request an extension to file their 2012 returns. Eligible taxpayers need not make any special notation on their extension request, but as usual, they must properly estimate their expected tax liability and pay the estimated amount by the original due date of the return.

The return must be filed and payment for any additional amount due must be made by the extended due date. Interest still applies to any tax payment made after the original deadline.

Further details on this relief, including instructions for responding to penalty notices, is available in Notice 2013-24.

File your federal and state extensions free with TaxACT Free Federal Edition. TaxACT's interview makes it easy to calculate your federal and state taxes. If you owe taxes, you can pay via electronic funds withdrawal, a major credit or debit card, EFTPS, or check or money order.

By e-filing, you'll know when your request forms are processed and accepted. You can check the status online at efstatus.taxact.com or on your smartphone with TaxACT's free companion mobile app, TaxACT Central. You can also choose to be notified via email and text.

When you're ready to file with Free Federal Edition, you can continue, print and e-file your federal return free. The IRS extension deadline for 2012 returns is October 15, 2013.

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Upcoming Tax Dates

September 7 Everyone
Federal Holiday (Labor Day) - Details

September 10 Employees who work for tips
If you received $20 or more in tips during August, report them to your employer - Details

September 10 Communications and air transportation taxes under the alternative method.
Deposit the tax included in amounts billed or tickets sold during the first 15 days of August.

September 14 Regular method taxes
Deposit the tax included in amounts billed or tickets sold during the last 16 days of August.

September 15 Individuals
Make a payment of your 2015 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment - Details

September 15 Corporations
File a 2014 calendar year income tax return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension - Details

September 15 S Corporations
File a 2014 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension - Details

September 15 Partnerships
File a 2014 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension - Details

September 15 Corporations
Deposit the third installment of estimated income tax for 2015 - Details

September 15 Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in August.

September 15 Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in August.

September 25 Communications and air transportation taxes under the alternative method.
Deposit the tax included in amounts billed or tickets sold during the last 16 days of August.

September 29 Regular method taxes
Deposit the tax for the first 15 days of September.

September 29 Regular method taxes (special September deposit rule)
Deposit the tax for the period beginning September 16 and ending September 26.

September 29 Communications and air transportation taxes under the alternative method (special September deposit rule).
Deposit the tax included in amounts billed or tickets sold during the period beginning September 1 and ending September 11.

September 30 Wagering tax
File Form 730 and pay the tax on wagers accepted during August.

September 30 Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in August.

View More Tax Dates