Exempt Organizations Technical Guide›TG 57: Taxes on Net Investment Income – IRC Section 4940›Table of Contents

I. Overview

0824 Publ 5580 (PDF) · 2026-10-03 edition · updated 2026-10-04 · United States

(1) Organizations that are exempt from taxation under Section 501(c)(3) of the

Internal Revenue Code and do not fall into any of the public charity categories under Section 509(a) are called private foundations. Private foundations raise complex and interrelated issues regarding the application of Chapter 42.

(2) This Technical Guide discusses the tax imposed on the net investment income of

tax exempt and taxable private foundations under Internal Revenue Code Section 4940.

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▸Contents — 0824 Publ 5580 (PDF)

0824 Publ 5580 (PDF)

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