For the latest information about developments related to Form 8615 and its instructions, such as legislation enacted after they were published, go to www.irs.gov/form8615.
Net Investment Income Tax. For tax years beginning after December, 31, 2012, a child whose tax is figured on Form 8615 may be subject to the Net Investment Income Tax (NIIT). NIIT is a 3.8% tax on the lesser of net investment income or the excess of the child's modified adjusted gross income (MAGI) over the threshold amount. UseForm 8960, Net Investment Income Tax, to figure this tax. For more information on NIIT, go to www.irs.gov and enter “Net Investment Income Tax” in the search box.
|More Online Instructions|