CFR › Title 26 › Part 1 › §1.863-3AT26 CFR §1.863-3ATVerified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)[Reserved](b)Income partly from sources within a foreign country.(1)[Reserved](2)Allocation or apportionment.(b)(2)Example (2)(iii) through (c)(4) [Reserved]