Taxpayers with income above the AMT exemption amount need to calculate their taxes using the alternative minimum tax in addition to the normal income ta calculation. The taxpayer then pays the larger of the two amounts.
Certain types of income and tax deductions that you may exclude or deduct when figuring your normal taxes may need to be added back into your taxable income under AMT rules.
The remainder of this document describes the fields that are computed (blue) and the fields where you can enter data (green). The fields are listed in the same order as they appear in the tool. This is also the same information that is displayed in the tool tips.