WASHINGTON — The Internal Revenue Service today announced a three-month tax filing and payment extension to Boston area taxpayers and others affected by Monday's explosions.

This relief applies to all individual taxpayers who live in Suffolk County, Mass., including the city of Boston. It also includes victims, their families, first responders, others impacted by this tragedy who live outside Suffolk County and taxpayers whose tax preparers were adversely affected.

"Our hearts go out to the people affected by this tragic event," said IRS Acting Commissioner Steven T. Miller. "We want victims and others affected by this terrible tragedy to have the time they need to finish their individual tax returns."

Under the relief announced today, the IRS will issue a notice giving eligible taxpayers until July 15, 2013, to file their 2012 returns and pay any taxes normally due April 15. No filing and payment penalties will be due as long as returns are filed and payments are made by July 15, 2013. By law, interest, currently at the annual rate of 3 percent compounded daily, will still apply to any payments made after the April deadline.

The IRS will automatically provide this extension to anyone living in Suffolk County. If you live in Suffolk County, no further action is necessary by taxpayers to obtain this relief. However, eligible taxpayers living outside Suffolk County can claim this relief by calling 1-866-562-5227 starting Tuesday, April 23, and identifying themselves to the IRS before filing a return or making a payment. Eligible taxpayers who receive penalty notices from the IRS can also call this number to have these penalties abated.

Eligible taxpayers who need more time to file their returns may receive an additional extension to Oct. 15, 2013, by filing Form 4868 by July 15, 2013.

Taxpayers with questions unrelated to the Boston tragedy should visit IRS.gov, or contact the regular IRS toll-free number at 1-800-829-1040.

It's free and easy to file IRS Form 4868 with TaxACT. Start your TaxACT return now and follow these simple steps

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Upcoming Tax Dates

May 2 — Social security, Medicare, and withheld income tax
File Form 941 for the first quarter of 2016. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter timely, properly, and in full, you have until May 10 to file the return.

May 2 — Federal unemployment tax.
Deposit the tax owed through March if more than $500.

May 2 — Form 720 taxes
File Form 720 for the first quarter of 2016.

May 2 — Wagering tax
File Form 730 and pay the tax on wagers accepted during March.

May 2 — Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in March.

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

May 10 — Social security, Medicare, and withheld income tax
File Form 941 for the first quarter of 2016. This due date applies only if you deposited the tax for the quarter timely, properly, and in full.

May 11 — 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 April.

May 13 — Regular method taxes
Deposit the tax for the last 15 days of April.

May 16 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in April.

May 16 — Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in April.

May 25 — Communications and air transportation taxes under the alternative method
Deposit the tax included in amounts billed or tickets sold during the last 15 days of April.

May 27 — Regular method taxes
Deposit the tax for the first 15 days of May.

May 31 — Wagering tax
File Form 730 and pay the tax on wagers accepted during April.

may 31 — Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in April.

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