US Tax Expert to Obtain IRS Certificate of Residency (Form 6166)

The Specific Document Required We require the IRS Certificate of Residency, officially known as Form 6166. This document certifies that the individual is a tax resident of the United States for the purposes of US income tax. IMPORTANT: This is NOT a tax transcript, a W-9, or any general IRS notice. We need the official certification letter issued by the IRS Competent Authority Services (CAS) unit under the Philadelphia Campus, confirming US tax residency under the applicable tax treaty. Scope of Work We need Form 6166 certificates for several content creators and influencers who are US-based tax residents. The scope includes: Preparing and submitting IRS Form 8802 (Application for United States Residency Certification) on behalf of each individual Coordinating with each individual to gather required documentation (prior-year tax returns, SSN/ITIN confirmation, etc.) Following up with the IRS CAS unit throughout the processing period (typically 4–6 weeks) Delivering the final PDF or original Form 6166 letter for the current fiscal year (2026) and the prior year (2025) Ideal Candidate CPA or enrolled agent licensed in the United States. Prior experience filing Form 8802 and obtaining Form 6166 is required. Familiarity with tax treaty provisions and international influencer/creator taxation is a strong plus.