The Alternative Minimum Tax attempts to ensure that anyone who benefits from certain tax advantages pays at least a minimum amount of tax. The AMT provides an alternative set of rules for calculating your income tax. In general, these rules should determine the minimum amount of tax that someone with your income should be required to pay. If your regular tax falls below this minimum, you have to make up the difference by paying alternative minimum tax.

Here are six facts the Internal Revenue Service wants you to know about the AMT and changes for 2011.

  1. Tax laws provide tax benefits for certain kinds of income and allow special deductions and credits for certain expenses. These benefits can drastically reduce some taxpayers' tax obligations. Congress created the AMT in 1969, targeting higher-income taxpayers who could claim so many deductions they owed little or no income tax.
  2. Because the AMT is not indexed for inflation, a growing number of middle-income taxpayers are discovering they are subject to the AMT.
  3. You may have to pay the AMT if your taxable income for regular tax purposes, plus any adjustments and preference items that apply to you, are more than the AMT exemption amount.
  4. The AMT exemption amounts are set by law for each filing status.
  5. For tax year 2011, Congress raised the AMT exemption amounts to the following levels
    • $74,450 for a married couple filing a joint return and qualifying widows and widowers;
    • $48,450 for singles and heads of household;
    • $37,225 for a married person filing separately.
  6. The minimum AMT exemption amount for a child whose unearned income is taxed at the parents' tax rate has increased to $6,800 for 2011.

Use the AMT Assistant at www.irs.gov to determine whether you may be subject to the AMT. You can find more information about the Alternative Minimum Tax and how it affects you by accessing IRS Form 6251, Alternative Minimum Tax —Individuals, and its instructions at www.irs.gov. You can also order the form by calling 800-TAX-FORM (800-829-3676).

TaxACT Free Federal and Deluxe Editions help you determine whether you're subject to the AMT, and if so, guide you through Form 6251. Start your federal return now.

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Upcoming Tax Dates

April 10 Employees who work for tips
If you received $20 or more in tips during March, report them to your employer. You can use Form 4070.

April 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 March.

April 14 Regular method taxes
Deposit the tax for the last 16 days of March.

April 15 Individuals
File a 2014 income tax return (Form 1040, 1040A, or 1040EZ) and pay any tax due. If you want an automatic 6 month extension of time to file the return, file Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return. For more information, see Form 4868. Then, file Form 1040, 1040A, or 1040EZ by October 15.

April 15 Individuals
If you are not paying your 2015 income tax through withholding (or will not pay in enough tax during the year that way), pay the first installment of your 2015 estimated tax. Use Form 1040ES.

April 15 Household Employers
If you paid cash wages of $1,800 or more in 2014 to a household employee, you must file Schedule H - Details

April 15 Partnerships
File a 2014 calendar year return (Form 1065) - Details

April 15 Partnerships
Electing large partnerships: File a 2014 calendar year return (Form 1065-B) - Details

April 15 Corporations
Deposit the first installment of estimated income tax for 2015 - Details

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

April 15 Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in March.

April 15 Household employers
If you paid cash wages of $1,900 or more in 2014 to a household employee, you must file Schedule H (Form 1040). If you are required to file a federal income tax return (Form 1040), file Schedule H (Form 1040) with the return and report any household employment taxes. Report any federal unemployment (FUTA) tax on Schedule H (Form 1040) if you paid total cash wages of $1,000 or more in any calendar quarter of 2013 or 2014 to household employees. Also, report any income tax you withheld for your household employees.

April 27 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 March.

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

April 30 Social security, Medicare, and withheld income tax
File Form 941 for the first 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 May 11 to file the return.

April 30 Federal unemployment tax.
Deposit the tax owed through March if more than $500.

April 30 Form 720 taxes
File Form 720 for the first quarter of 2015.

April 30 Wagering tax
File Form 730 and pay the tax on wagers accepted during March.

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

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