Each year, the IRS sends millions of letters and notices to taxpayers for a variety of reasons. Here are ten things you should know about IRS notices in case one shows up in your mailbox.

  1. Don't panic. Many of these letters require a simple response.
  2. There are many reasons why the IRS sends correspondence. If you receive an IRS notice, it will typically cover a very specific issue about your account or tax return. Notices may require payment, notify you of changes to your account or ask you to provide more information.
  3. Each notice offers specific instructions on what you need to do to satisfy the inquiry.
  4. If you receive a notice advising you that the IRS has corrected your tax return, you should review the correspondence and compare it with the information on your return.
  5. If you agree with the correction to your account, then usually no reply is necessary unless a payment is due or the notice directs otherwise.
  6. If you do not agree with the correction the IRS made, it is important that you respond as requested. You should send a written explanation of why you disagree. Include any information and documents you want the IRS to consider with your response. Mail your reply with the bottom tear-off portion of the IRS letter to the address shown in the upper left-hand corner of the notice. Allow at least 30 days for a response.
  7. You should be able to resolve most notices that you receive without calling or visiting an IRS office. If you do have questions, call the telephone number in the upper right-hand corner of the notice. Have a copy of your tax return and the notice with you when you call. This will help the IRS answer your inquiry.
  8. Remember to keep copies of any notices you receive with your other income tax records.
  9. The IRS sends notices and letters by mail. The agency never contacts taxpayers about their tax account or tax return by email.
  10. For more information about IRS notices and bills, visit IRS.gov. Click on the link ‘Responding to a Notice’ at the bottom left of the home page. Also, see Publication 594, The IRS Collection Process. The publication is available on IRS.gov or by calling 800-TAX-FORM (800-829-3676).

TaxACT's Audit Assistant provides detailed information and instructions for dealing with IRS notices. If you happen to need additional help, email your questions to TaxPayer Support Specialists for free answers.

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Upcoming Tax Dates

February 1 — Individuals who must make estimated tax payments
If you did not pay your last installment of estimated tax by January 15, you may choose (but are not required) to file your income tax return (Form 1040) for 2015 by February 1. Filing your return and paying any tax due by February 2 prevents any penalty for late payment of the last installment. If you cannot file and pay your tax by February 1, file and pay your tax by April 18.

February 1 — All Employers
Give your employees their copies of Form W2 for 2015. If an employee agreed to receive Form W2 electronically, have it posted on a website and notify the employee of the posting.

February 1 — Payers of gambling winnings
If you either paid reportable gambling winnings or withheld income tax from gambling winnings, give the winners their copies of Form W2G.

February 1 — Nonpayroll taxes
File Form 945 to report income tax withheld for 2015 on all nonpayroll items, including backup withholding and withholding on pensions, annuities, IRAs, gambling winnings, and payments of Indian gaming profits to tribal members. Deposit or pay any undeposited tax under the accuracy of deposit rules.

February 1 — Social Security, Medicare, and withheld income tax
File Form 941 for the fourth quarter of 2015. 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 February 10 to file the return.

February 1 — Certain small employers
File Form 944 to report social security and Medicare taxes and withheld income tax for 2015. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is $2,500 or more for 2015 but less than $2,500 for the fourth quarter, deposit any undeposited tax or pay it in full with a timely filed return. If you deposited the tax for the year timely, properly, and in full, you have until February 10 to file the return.

February 1 — Farm employers
File Form 943 to report social security and Medicare taxes and withheld income tax for 2015. 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 year timely, properly, and in full, you have until February 10 to file the return.

February 1 — Federal unemployment tax
File Form 940 for 2015. If your undeposited tax is $500 r less, you can either pay it with your return or deposit it. If it is more than $500, you must deposit it. However, if you deposited the tax for the year timely, properly, and in full, you have until February 10 to file the return.

February 1 — All businesses
Give annual information statements to recipients of certain payments you made during 2015 - Details

February 1 — Form 720 taxes
File Form 720 for the fourth quarter of 2015.

February 1 — Wagering tax
File Form 730 and pay the tax on wagers accepted during December 2015.

February 1 — Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in December 2015.

February 10 — Nonpayroll taxes
File Form 945 to report income tax withheld for 2015 on all nonpayroll items. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Social security, Medicare, and withheld income tax
File Form 941 for the fourth quarter of 2015. This due date applies only if you deposited the tax for the quarter timely, properly, and in full.

February 10 — Certain small employers
File Form 944 to report social security and Medicare taxes and withheld income tax for 2015. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Farm employers
File Form 943 to report social security and Medicare taxes and withheld income tax for 2015. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Federal unemployment tax
File Form 940 for 2015. This due date applies only if you deposited the tax for the year timely, properly, and in full.

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

February 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 January.

February 12 — Regular method taxes
Deposit the tax for the last 16 days of January.

February 15 — Everyone
Federal Holiday (Washington's Birthday) - Details

February 16 — Individuals
If you claimed exemption from income tax withholding last year on the Form W-4, you must file a new Form W-4 by this date to continue your exemption for another year - Details

February 16 — All businesses
Give annual information statements to recipients of certain payments you made during 2015 - Details

February 16 — Publication 509 (2015)
All payments reported on Form 1099S, Proceeds From Real Estate Transactions. Substitute payments reported in box 8 or gross proceeds paid to an attorney reported in box 14 of Form 1099MISC.

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

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

February 17 — All employers
Begin withholding income tax from the pay of any employee who claimed exemption from withholding in 2015, but did not give you Form W4 to continue the exemption this year.

February 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 January.

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

February 29 — All businesses
File information returns (for example, Forms 1099) for certain payments you made during 2015.

February 29 — Farmers & fishermen
File your 2015 income tax return (Form 1040) and pay any tax due - Details

February 29 — Payers of gambling winnings.
File Form 1096 along with Copy A of all the Forms W2G you issued for 2015. If you file Forms W2G electronically, your due date for filing them with the IRS will be extended to March 31. The due date for giving the recipient these forms remains February 1.

February 29 — All employers
File Form W3, Transmittal of Wage and Tax Statements, along with Copy A of all the Forms W2 you issued for 2015. If you file Forms W2 electronically, your due date for filing them with the SSA will be extended to March 31. The due date for giving the recipient these forms remains February 1.

February 29 — Large food and beverage establishment employers
File Form 8027, Employer's Annual Information Return of Tip Income and Allocated Tips. Use Form 8027T, Transmittal of Employer's Annual Information Return of Tip Income and Allocated Tips, to summarize and transmit Forms 8027 if you have more than one establishment. If you file Forms 8027 electronically, your due date for filing them with the IRS will be extended to March 31.

February 29 — Wagering tax
File Form 730 and pay the tax on wagers accepted during January.

February 29 — Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in January.

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