Taxpayers use this form to figure the amount of their net investment income tax (NIIT). Current revision Form 8960 PDF Instructions for Form 8960 (Print version PDF) Recent developments None at this time. Other items you may find useful All Form 8960 revisions About Form 1040, U.S. Individual Income Tax Return About Form 1041, U.S. Income Tax Return for Estates and Trusts Questions and Answers on the Net Investment Income Tax Other current products Related publications About Publication 519, U.S. Tax Guide for Aliens About Publication 525, Taxable and Nontaxable Income About Publication 575, Pension and Annuity Income About Publication 925, Passive Activity and At-Risk Rules About Publication 939, General Rule for Pensions and Annuities