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taxmap/pub17/p17-105.htm#en_us_publink1000173028

Who Should Itemize(p143)


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previous topic occurrence Deduction, Itemized next topic occurrence

You should itemize deductions if your total deductions are more than the standard deduction amount. Also, you should itemize if you do not qualify for the standard deduction, as discussed earlier under Persons not eligible for the standard deduction.
You should first figure your itemized deductions and compare that amount to your standard deduction to make sure you are using the method that gives you the greater benefit.
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You may be subject to a limit on some of your itemized deductions if your adjusted gross income (AGI) is more than $166,800 ($83,400 if you are married filing separately). See chapter 29 and the instructions for Schedule A (Form 1040), line 29, for more information on figuring the correct amount of your itemized deductions.
taxmap/pub17/p17-105.htm#en_us_publink1000173032

When to itemize.(p143)
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You may benefit from itemizing your deductions on Schedule A (Form 1040) if you: These deductions are explained in chapters 21–28.
If you decide to itemize your deductions, complete Schedule A and attach it to your Form 1040. Enter the amount from Schedule A, line 29, on Form 1040, line 40a.
taxmap/pub17/p17-105.htm#en_us_publink1000173033

Electing to itemize for state tax or other purposes.(p143)


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Electing to Itemize for State Tax or Other Purposes

Even if your itemized deductions are less than the amount of your standard deduction, you can elect to itemize deductions on your federal return rather than take the standard deduction. You may want to do this, for example, if the tax benefit of being able to itemize your deductions on your state tax return is greater than the tax benefit you lose on your federal return by not taking the standard deduction. To make this election, you must check the box on line 30 of Schedule A.
taxmap/pub17/p17-105.htm#en_us_publink1000173034

Changing your mind.(p143)


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Changing Your Mind

If you do not itemize your deductions and later find that you should have itemized — or if you itemize your deductions and later find you should not have — you can change your return by filing Form 1040X, Amended U.S. Individual Income Tax Return. See Amended Returns and Claims for Refund in chapter 1 for more information on amended returns.
taxmap/pub17/p17-105.htm#en_us_publink1000173036

Married persons who filed separate returns.(p143)
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You can change methods of taking deductions only if you and your spouse both make the same changes. Both of you must file a consent to assessment for any additional tax either one may owe as a result of the change.
You and your spouse can use the method that gives you the lower total tax, even though one of you may pay more tax than you would have paid by using the other method. You both must use the same method of claiming deductions. If one itemizes deductions, the other should itemize because he or she will not qualify for the standard deduction. See Persons not eligible for the standard deduction, earlier.
taxmap/pub17/p17-105.htm#en_us_publink1000234160
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Worksheet 20-1. 2009 Standard Deduction Worksheet

Caution. If you are married filing a separate return and your spouse itemizes deductions, or if you are a dual-status alien, do not complete this worksheet. You cannot take the standard deduction even if you were born before January 2, 1945, are blind, paid real estate taxes, had a net disaster loss, or paid state or local sales or excise tax on the purchase of a new motor vehicle.
 If you paid state or local sales or excise tax on the purchase of a new motor vehicle after February 16, 2009, you cannot use this worksheet to figure your standard deduction. You must use Schedule L (Form 1040A or 1040) and attach it to your return.
 If you are filing Form 1040EZ, do not use this worksheet. Instead, see line 5 of Form 1040EZ.
1.Enter the amount shown below for your filing status.      
 
  • Single or married filing separately — $5,700
  • Married filing jointly or Qualifying widow(er) — $11,400
  • Head of household — $8,350
Right brace   1.                
 
 
2.Can you (or your spouse if filing jointly) be claimed as a dependent on someone else's return?
check box No. Skip line 3; enter the amount from line 1 on line 4, and go to line 5.
check box Yes. Go to line 3.
    
3.Is your earned income* more than $650?      
  check box Yes. Add $300 to your earned income. Enter the total Right brace  3.                
  check box No. Enter $950      
4.Enter the smaller of line 1 or line 3 4.             
5.If born before January 2, 1945, or blind, multiply the number on Form 1040, line 39a (or Form 1040A, line 23a**) by $1,100 ($1,400 if single or head of household). Otherwise, enter -0- 5.             
6.Enter any net disaster loss from Form 4684, line 18** 6.             
7.Enter the state and local real estate taxes you paid that would be deductible on Schedule A (Form 1040), line 6, if you were itemizing your deductions. See the instructions for Schedule A (Form 1040), line 6. Do not include foreign real estate taxes 7.                
8.Enter $500 ($1,000 if married filing jointly) 8.                
9.Enter the smaller of line 7 or line 8**  9.             
10. Add lines 4, 5, 6, and 9. This is your standard deduction for 2009. 10.             
*Earned income includes wages, salaries, tips, professional fees, and other compensation received for personal services you performed. It also includes any amount received as a scholarship that you must include in your income. Generally, your earned income is the total of the amount(s) you reported on Form 1040, lines 7, 12, and 18, minus the amount, if any, on line 27 (or the amount you reported on Form 1040A, line 7).
**If the amount on line 6 or line 9 of this worksheet is more than zero, you must complete Schedule L (Form 1040A or 1040) and attach it to your return. Also, if the amount on line 6 of this worksheet is more than zero, you cannot file Form 1040A; you must file Form 1040.