1988—
Pub. L. 100–647, title I, §§ 1012(e)(3)(B), (h)(2)(C),
1018
(u)(37), Nov. 11, 1988,
102 Stat. 3500, 3502, 3592, substituted “SOURCE RULES AND OTHER GENERAL RULES RELATING TO FOREIGN INCOME” for “DETERMINATION OF SOURCES OF INCOME” as part I heading, substituted “Special rules for determining source” for “Items not specified in section
861 or
862” in item 863, and added item 865.
1986—
Pub. L. 99–514, title XII, § 1215(b)(2), Oct. 22, 1986,
100 Stat. 2545, substituted “Definitions and special rules” for “Definitions” in item 864.