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taxmap/pub17/p17-000.htm#en_us_publink1000170253
Publication 17

Your Federal 
Income Tax

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For Individuals

All material in this publication may be reprinted freely. A citation to Your Federal Income Tax (2013) would be appropriate.
The explanations and examples in this publication reflect the interpretation by the Internal Revenue Service (IRS) of:
  • Tax laws enacted by Congress,
  • Treasury regulations, and
  • Court decisions.
However, the information given does not cover every situation and is not intended to replace the law or change its meaning.
This publication covers some subjects on which a court may have made a decision more favorable to taxpayers than the interpretation by the IRS. Until these differing interpretations are resolved by higher court decisions or in some other way, this publication will continue to present the interpretations by the IRS.
All taxpayers have important rights when working with the IRS. These rights are described in Your Rights as a Taxpayer in the back of this publication.

What's New(p1)


This section summarizes important tax changes that took effect in 2013. Most of these changes are discussed in more detail throughout this publication.
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Future developments.(p1)
For the latest information about the tax law topics covered in this publication, including information about any tax legislation, go to www.irs.gov/pub17.
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Additional Medicare Tax.(p1)
Beginning in 2013, a 0.9% Additional Medicare Tax applies to Medicare wages, railroad retirement (RRTA) compensation, and self-employment income that are more than:
  • $125,000 if married filing separately,
  • $250,000 if married filing jointly, or
  • $200,000 for any other filing status.
See Form 8959 and its instructions.
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Net Investment Income Tax.(p1)
Beginning in 2013, you may be subject to Net Investment Income Tax (NIIT). The NIIT is 3.8% of the smaller of (a) your net investment income or (b) the excess of your modified adjusted gross income over:
  • $125,000 if married filing separately,
  • $250,000 if married filing jointly or qualifying widow(er), or
  • $200,000 if any other filing status.
See Form 8960 and its instructions.
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Change in tax rates.(p1)
The highest tax rate is 39.6%. For more information, see the 2013 Tax Computation Worksheet or the 2013 Tax Rate Schedules near the end of this publication.
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Tax rate on net capital gain and qualified dividends.(p1)
The maximum tax rate of 15% on net capital gain and qualified dividends has increased to 20% for some taxpayers. See chapter 16.
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Medical and dental expenses.(p1)
You can deduct only the part of your medical and dental expenses that is more than 10% of your adjusted gross income (7.5% if either you or your spouse is age 65 or older). See chapter 21.
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Personal exemption amount increased for certain taxpayers.(p1)
Your personal exemption is increased to $3,900. But the amount is reduced if your adjusted gross income is more than:
  • $150,000 if married filing separately,
  • $250,000 if single,
  • $275,000 if head of household, or
  • $300,000 if any other filing status.
See chapter 3.
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Limit on itemized deductions.(p1)
You may not be able to deduct all of your itemized deductions if your adjusted gross income is more than:
  • $150,000 if married filing separately,
  • $250,000 if single,
  • $275,000 if head of household, or
  • $300,000 if any other filing status.
See chapter 29.
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Same-sex marriages.(p1)
If you have a same-sex spouse whom you legally married in a state (or foreign country) that recognizes same-sex marriage, you and your spouse generally must use the married filing jointly or married filing separately filing status on your 2013 return, even if you and your spouse now live in a state (or foreign country) that does not recognize same-sex marriage. See chapter 2.
If you meet certain requirements, you may be able to file amended returns to change your filing status for some earlier years. For details on filing amended returns, see chapter 1.
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Health flexible spending arrangements (FSAs).(p1)
You cannot have more than $2,500 in salary reduction contributions made to a health FSA for plan years beginning after 2012. See chapter 5.
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Expiring credits.(p1)
The plug-in electric vehicle credit and the refundable part of the credit for prior year minimum tax have expired. You cannot claim either one on your 2013 return. See chapter 37.
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Ponzi-type investment schemes.(p1)
There are new rules for how to claim a theft loss deduction on Form 4684 due to a Ponzi-type investment scheme. See chapter 25.
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Home office deduction simplified method.(p1)
If you can take a home office deduction, you may be able to use a simplified method to figure it. See Publication 587.
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Standard mileage rates.(p1)
The 2013 rate for business use of your car is increased to 561/2 cents a mile. See chapter 26.
The 2013 rate for use of your car to get medical care is increased to 24 cents a mile. See chapter 21.
The 2013 rate for use of your car to move is increased to 24 cents a mile. See Publication 521, Moving Expenses.

Reminders(p1)


Listed below are important reminders and other items that may help you file your 2013 tax return. Many of these items are explained in more detail later in this publication.
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Enter your social security number (SSN).(p1)
Enter your SSN in the space provided on your tax form. If you filed a joint return for 2012 and are filing a joint return for 2013 with the same spouse, enter your names and SSNs in the same order as on your 2012 return. See chapter 1.
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Secure your tax records from identity theft.(p1)
Identity theft occurs when someone uses your personal information, such as your name, SSN, or other identifying information, without your permission, to commit fraud or other crimes. An identity thief may use your SSN to get a job or may file a tax return using your SSN to receive a refund. For more information about identity theft and how to reduce your risk from it, see chapter 1.
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Taxpayer identification numbers.(p1)
You must provide the taxpayer identification number for each person for whom you claim certain tax benefits. This applies even if the person was born in 2013. Generally, this number is the person's social security number (SSN). See chapter 1.
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Foreign source income.(p1)
If you are a U.S. citizen with income from sources outside the United States (foreign income), you must report all such income on your tax return unless it is exempt by U.S. law. This is true whether you live inside or outside the United States and whether or not you receive a Form W-2 or Form 1099 from the foreign payer. This applies to earned income (such as wages and tips) as well as unearned income (such as interest, dividends, capital gains, pensions, rents and royalties).
If you live outside the United States, you may be able to exclude part or all of your foreign source earned income. For details, see Publication 54, Tax Guide for U.S. Citizens and Resident Aliens Abroad.
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Foreign financial assets.(p1)
If you had foreign financial assets in 2013, you may have to file Form 8938 with your return. Check www.IRS.gov/form8938 for details.
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Automatic 6-month extension to file tax return.(p1)
You can use Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return, to obtain an automatic 6-month extension of time to file your tax return. See chapter 1.
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Include your phone number on your return.(p1)
To promptly resolve any questions we have in processing your tax return, we would like to be able to call you. Please enter your daytime telephone number on your tax form next to your signature and occupation. If you are filing a joint return, you can enter either your or your spouse's daytime phone number.
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Payment of taxes.(p1)
You can pay your taxes online, by phone, or by check or money order. You can make a direct transfer from your bank account or use a credit or debit card. If you e-file, you can schedule an electronic payment. See chapter 1.
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Faster ways to file your return.(p1)
The IRS offers fast, accurate ways to file your tax return information without filing a paper tax return. You can use IRS e-file (electronic filing). See chapter 1.
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Free electronic filing.(p1)
You may be able to file your 2013 taxes online for free. See chapter 1.
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Change of address.(p1)
If you change your address, you should notify the IRS. See Change of Address in chapter 1.
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Refund on a late filed return.(p1)
If you were due a refund but you did not file a return, you generally must file your return within 3 years from the date the return was due (including extensions) to get that refund. See chapter 1.
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Frivolous tax returns.(p1)
The IRS has published a list of positions that are identified as frivolous. The penalty for filing a frivolous tax return is $5,000. See chapter 1.
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Filing erroneous claim for refund or credit.(p2)
You may have to pay a penalty if you file an erroneous claim for refund or credit. See chapter 1.
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Privacy Act and paperwork reduction information.(p2)
The IRS Restructuring and Reform Act of 1998, the Privacy Act of 1974, and the Paperwork Reduction Act of 1980 require that when we ask you for information we must first tell you what our legal right is to ask for the information, why we are asking for it, how it will be used, what could happen if we do not receive it, and whether your response is voluntary, required to obtain a benefit, or mandatory under the law. A complete statement on this subject can be found in your tax form instructions.
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Customer service for taxpayers.(p2)
You can set up a personal appointment at the most convenient Taxpayer Assistance Center, on the most convenient business day. See How To Get Tax Help in the back of this publication.
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Preparer e-file mandate.(p2)
Most paid preparers must e-file returns they prepare and file. Your preparer may make you aware of this requirement and the options available to you.
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Treasury Inspector General for Tax Administration.(p2)
If you want to confidentially report misconduct, waste, fraud, or abuse by an IRS employee, you can call 1-800-366-4484 (call 1-800-877-8339 if you are deaf, hard of hearing, or have a speech disability, and are using TTY/TDD equipment). You can remain anonymous.
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Photographs of missing children.(p2)
The Internal Revenue Service is a proud partner with the National Center for Missing and Exploited Children. Photographs of missing children selected by the Center may appear in this publication on pages that would otherwise be blank. You can help bring these children home by looking at the photographs and calling 1-800-THE-LOST (1-800-843-5678) if you recognize a child.
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This publication covers the general rules for filing a federal income tax return. It supplements the information contained in your tax form instructions. It explains the tax law to make sure you pay only the tax you owe and no more.
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How this publication is arranged.(p2)

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This publication closely follows Form 1040, U.S. Individual Income Tax Return. It is divided into six parts which cover different sections of Form 1040. Each part is further divided into chapters which generally discuss one line of the form. Do not worry if you file Form 1040A or Form 1040EZ. Anything included on a line of either of these forms is also included on Form 1040.
The table of contents inside the front cover and the index in the back of the publication are useful tools to help you find the information you need.
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What is in this publication.(p2)

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The publication begins with the rules for filing a tax return. It explains:
  1. Who must file a return,
  2. Which tax form to use,
  3. When the return is due,
  4. How to e-file your return, and
  5. Other general information.
It will help you identify which filing status you qualify for, whether you can claim any dependents, and whether the income you receive is taxable. The publication goes on to explain the standard deduction, the kinds of expenses you may be able to deduct, and the various kinds of credits you may be able to take to reduce your tax.
Throughout the publication are examples showing how the tax law applies in typical situations. Also throughout the publication are flowcharts and tables that present tax information in an easy-to-understand manner.
Many of the subjects discussed in this publication are discussed in greater detail in other IRS publications. References to those other publications are provided for your information.
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Icons.(p2)
Small graphic symbols, or icons, are used to draw your attention to special information. See Table 1 later for an explanation of each icon used in this publication.
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What is not covered in this publication.(p2)

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Some material that you may find helpful is not included in this publication but can be found in your tax form instruction booklet. This includes lists of:
If you operate your own business or have other self-employment income, such as from babysitting or selling crafts, see the following publications for more information.
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Help from the IRS.(p2)

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There are many ways you can get help from the IRS. These are explained under How To Get Tax Help in the back of this publication.
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Comments and suggestions.(p2)

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We welcome your comments about this publication and your suggestions for future editions.
You can write to us at the following address:

Internal Revenue Service
Tax Forms and Publications Division
1111 Constitution Ave. NW, IR-6526
Washington, DC 20224


We respond to many letters by telephone. Therefore, it would be helpful if you would include your daytime phone number, including the area code, in your correspondence.
You can send your comments from www.irs.gov/formspubs/. Click on "More Information" and then on "Comment on Tax Forms and Publications".
Although we cannot respond individually to each comment received, we do appreciate your feedback and will consider your comments as we revise our tax products.
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Ordering forms and publications.(p2)
Visit www.irs.gov/formspubs/ to download forms and publications, call 1-800-TAX-FORM (1-800-829-3676), or write to the address below and receive a response within 10 days after your request is received.

Internal Revenue Service
1201 N. Mitsubishi Motorway
Bloomington, IL 61705-6613


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Tax questions.(p2)
If you have a tax question, check the information available on IRS.gov or call 1-800-829-1040. We cannot answer tax questions sent to either of the above addresses.
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IRS mission.(p2)

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Provide America's taxpayers top quality service by helping them understand and meet their tax responsibilities and by applying the tax law with integrity and fairness to all.

Table 1. Legend of Icons

IconExplanation
caution Items that may cause you particular problems, or an alert about pending legislation that may be enacted after this publication goes to print.
compute An Internet site or an email address.
envelope An address you may need.
files Items you should keep in your personal records.
pencil Items you may need to figure or a worksheet you may need to complete and keep for your records.
phone An important phone number.
taxtip Helpful information you may need.