What is Form 8960, Net Investment Income Tax?
Form 8960: Net Investment Income Tax – Individuals, Estates, and Trusts
The net investment income tax is a 3.8% Medicare surtax on investment income.
If you have investtment income and your modified adjusted gross income exceeds $250,000 (married filing jointly), $125,000 (married filing separately), or $200,000 (all other filing statuses), then you will most likely be subject to the 3.8% additional tax.
The form is used to calculate and report the 3.8% additional tax on investment income for the Affordable Care Act provisions that went into effect starting with the 2013 tax year.