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Introduction

SECTION 1. PURPOSE

Internal Revenue Bulletin 2018-36 · 2026-10-03 edition · updated 2026-10-04 · United States

Section 13702 of “An Act to provide for reconciliation pursuant to titles II and IV of the concurrent resolution on the budget for fiscal year 2018,” Public Law 115–97 (131 Stat. 2054 (2017)) (the Act), enacted December 22, 2017, added new § 512(a)(6) to the Internal Revenue Code (Code). Section 512(a)(6) requires an organization subject to the unrelated business income tax under § 511, with more than one unrelated trade or business, to calculate unrelated business taxable income (UBTI) separately with respect to each trade or business. This notice discusses, and solicits comments regarding, various issues arising under § 512(a)(6) and sets forth interim guidance and transition rules relating to that section. This notice also provides guidance on the treatment of global intangible low-taxed income (GILTI) under § 951A for purposes of the unrelated business income tax under § 511.

The contents of this notice are as follows. Section 2 provides a general background of the law on UBTI and § 512(a)(6). Section 3 outlines general

concepts for identifying separate trades or businesses for purposes of § 512(a)(6) and provides interim reliance on a reasonable, good-faith standard for making such a determination. Section 4 discusses the possible treatment of income described in § 512(b)(4), (13), and (17). Section 5 discusses general principles surrounding income from partnerships. Section 6 sets forth interim and transition rules under § 512(a)(6) for aggregating income from partnerships and debt-financed income from partnerships. Section 7 discusses the application of § 512(a)(6) to certain organizations subject to the UBTI rules of § 512(a)(3). Section 8 discusses the effect of § 512(a)(6) on income described in § 512(a)(7) (fringe benefits). Section 9 provides information on how to calculate net operating losses (NOLs) within the framework of § 512(a)(6). Section 10 concludes that, for purposes of calculating UBTI, an inclusion of GILTI is treated as a dividend and follows the treatment of dividends under § 512(b)(1) and (4). Section 11 summarizes reliance on rules provided in this notice. Section 12 requests comments and provides information for submitting comments.

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