1040-SR (Web-based) | Form 8960 - Net Investment Tax

Use Form 8960 to figure the amount of Net Investment Income Tax (NIIT) when modified Adjusted Gross Income (MAGI) is greater than the applicable threshold amount below.

U.S. citizens and residents. Individuals who have for the tax year
(a) Modified adjusted gross income (MAGI) that is over an applicable threshold amount, and
(b) net investment income, must pay 3.8% of the smaller of (a) or (b) as their NIIT.

The applicable threshold amount is based on filing status, and it goes as follows:

• Married Filing Jointly or Qualifying Widower with Dependent Child is $250,000,

• Married Filing Separately is $125,000, or

• Single or Head of Household is $200,000.

To access Form 8960, follow the steps below:

1. From the left-side widget, click Federal Section > Other Taxes, then select Net Investment Income Tax (Individuals, Estates, and Trusts)

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2. Enter any adjustments to income and any additional expenses allocable to investment income in the fields provided.

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