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Foreign branches and entities: Form 8858
A US person may need Form 8858 for a foreign disregarded entity or foreign branch. The reporting result depends on the entity’s classification, ownership chain and operations; it is not determined by the entity’s local legal name alone.
Who it may apply to
US persons with Indian, Canadian or other foreign branches, foreign single-owner entities, or interests held through a foreign corporation or partnership.
Records to collect
Formation records, elections, ownership chart, financial statements, branch accounts, intercompany transactions, foreign filings, asset and liability records and prior US international forms.
Filing and decision points
Confirm US tax classification, identify the filer, determine whether Form 8858, 5471 or 8865 applies, map required financial data and consider related foreign tax reporting.
Common mistakes
Assuming a foreign LLC is automatically ignored, reporting a branch only on a domestic schedule, or failing to track transactions between the branch and owner.
Official sources
Reviewed by Gurleen Kaur, CPA (Washington State). Reviewed September 7, 2026.