In General: The View From the United States on What Constitutes a Permanent Establishment A U.S. treaty may exempt from income tax computed on a “net basis” the business profits of an individual or company resident in a treaty country unless such business profits are attributable to a “permanent establishment” (PE) maintained in the United States by such individual or company. tax the business profits of a resident of a treaty country unless those profits are attributable to a “permanent establishment” maintained by that resident in the United States. See U.S. Tax Treaties with Canada, Article 7(1); Japan, Article 8(1); Netherlands, Article 3(1); United Kingdom, Article 7(1). [1]