Extraterritorial income exclusion
Extraterritorial income exclusion, under the U.S. Internal Revenue Code, was the amount excluded from a taxpayer's gross income for certain transactions that generate foreign trading gross receipts. In general, foreign trading gross receipts include gross receipts from the sale, exchange, lease, rental, or other disposition of qualifying foreign trade property.
Source: Wikipedia — Extraterritorial income exclusion (CC BY-SA 4.0)