The Internal Revenue Service issued final and proposed regulations on applying and computing the 3.8% net investment income tax. This article discusses the differences between the proposed and final regulations. Taxpayers can rely on proposed or final regulations for tax years beginning before Jan. 1, 2014; final regulations apply to tax years beginning after Dec. 31, 2013. PFP/PFS members, access resources on planning for the NIIT in the Planning After ATRA and NIIT Toolkit.
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