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Cross-border withholding and payroll
Paying a contractor, employee, founder or investor across borders can create classification, withholding, reporting and payroll questions. W-8/W-9 documentation and a payment label alone do not settle the tax result; the payee, income type, place of services and treaty facts matter.
Who it may apply to
US, Canadian and Indian businesses paying nonresident contractors, remote employees, foreign vendors or founders; and individuals receiving Forms W-2, 1042-S, 1099 or foreign payroll documents.
Records to collect
Contracts, W-8/W-9 forms, invoices, payroll registers, payment reports, worker location and travel records, withholding filings, benefit documents, 1042-S/W-2/1099 forms and prior correspondence.
Filing and decision points
Classify payment and payee; confirm where services are performed; test W-8/W-9 and treaty documentation; review 1042/1042-S, W-2 or 1099 reporting; and map employer payroll responsibilities in the worker’s location.
Common mistakes
Using a W-8 form without checking income type, treating a remote employee as a vendor by label, withholding under the wrong category, or omitting travel days and benefits from the review.
Official sources
- IRS claiming treaty benefits
- IRS Instructions for Form 8233
- Related guide: India-based US-startup employees
Reviewed by Gurleen Kaur, CPA (Washington State). Reviewed September 8, 2026.