Get 2018 Instructions For Form 6251 - IRS.gov

In 2020, the first $197,900 of income above the exemption is taxed at a 26 percent rate, and income above that amount is taxed at 28 percent. The AMT exemption begins to phase out at $1,036,800 for married couples filing jointly and $518,400 for singles, heads of household, and married couples filing separate returns.

For the 2020 tax year, the threshold is $197,900 of AMT taxable income for taxpayers filing as single and as married couples filing jointly. It is $98,950 for married couples filing separately.

Mortgage interest: The rules for deducting mortgage interest are more restrictive for AMT than for regular tax. If a taxpayer can deduct more mortgage interest for regular tax than for AMT, the difference is an adjustment that the taxpayer adds back in calculating AMTI.

You may need to file Form 6251 if you have specific AMT items. If you need to report any of the following items on your tax return, you must file Form 6251, Alternative Minimum Tax, even if you do not owe AMT. Home mortgage interest on a loan that you did not use to buy, build or improve your home.

The first place to look for your AMT capital loss carryover amounts is on a summary statement that usually appears at the beginning of a taxpayer's copy of a printed tax return.

An alternative minimum tax (AMT) places a floor on the percentage of taxes that a filer must pay to the government, no matter how many deductions or credits the filer may claim. ... AMT uses a separate set of rules to calculate taxable income after allowed deductions.

Now you calculate the Tentative Minimum Tax (Line 34). You compare this figure to the tax you calculated under the regular tax system on Form 1040. The difference, if positive, is the Alternative Minimum Tax. You add the positive difference, if any, to the your regular tax.

Use Form 6251 to figure the amount, if any, of your alternative minimum tax (AMT). The AMT applies to taxpayers who have certain types of income that receive favorable treatment, or who qualify for certain deductions, under the tax law. ... The AMT sets a limit on the amount these benefits can be used to reduce total tax.

You may need to file Form 6251 if you have specific AMT items. If you need to report any of the following items on your tax return, you must file Form 6251, Alternative Minimum Tax, even if you do not owe AMT. Home mortgage interest on a loan that you did not use to buy, build or improve your home.

These are some of the most likely situations: Having a high household income If your household income is over the phase-out thresholds ($1,036,800for married filing jointly and $518,400 for everyone else) and you have a significant amount of itemized deductions, the AMT could still affect you.