Guide to Alternative Minimum Tax (AMT)

Welcome to our free online guide to the alternative minimum tax, or AMT.

Current feature

"AMT Deficit" Goes On-Budget

President Obama's decision to stop the budgetary pretense surrounding the alternative minimum tax (AMT) may lead to a permanent fix to this vexing problem, and could have other important implications.

details: "AMT Deficit" Goes On-Budget


Here's a list of pages available in this guide.

AMT in general

  • Alternative Minimum Tax 101
    Read this page to get the big picture.
  • Top 10 Things that Cause AMT Liability
    Or maybe 11.
  • AMT and Long-Term Capital Gain
    Explains why you may run into alternative minimum tax liability when you have a large long-term capital gain — and what you can do about it.
  • AMT Capital Loss Trap
    Some people inadvertently pay AMT they don't owe when they fail to realize a regular tax capital loss carryover can be used in the AMT calculation.
  • Dual Basis Assets
    It's important to realize that you can end up owning assets that have an AMT basis that's different from the basis you use for regular tax purposes. If you miss this detail you may end up throwing tax dollars away.
  • Claiming AMT Credit
    You may be able to claim AMT credit from exercising an incentive stock option even if you haven't sold the shares. If you failed to do so, you have a limited amount of time to correct the mistake.

Long-term unused minimum tax credit

These pages provide detailed guidance on the refundable credit for long-term unused minimum tax credit, which became available in 2007.


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