1986—Pub. L. 99–514, § 1272(b), inserted “, Guam, American Samoa, or the Northern Mariana Islands” in section catchline.

Subsec. (a). Pub. L. 99–514, § 1272(b), amended subsec. (a) generally, substituting “General rule” for “No application to certain alien residents of Puerto Rico” in heading and inserting references to residents of Guam, American Samoa, and the Northern Mariana Islands in text.

Subsec. (b). Pub. L. 99–514, § 1272(b), amended subsec. (b) generally, inserting references to Guam, American Samoa, and the Northern Mariana Islands.

Amendment by Pub. L. 99–514 applicable to taxable years beginning after Dec. 31, 1986, with certain exceptions and qualifications, see section 1277 of Pub. L. 99–514, set out as a note under section 931 of this title.