General Inquiries
For general questions about CFIUS, please contact:
Office of Investment Security U.S. Department of the Treasury 1500 Pennsylvania Avenue, NW Washington, DC 20220
Email: CFIUS.Inquiries@treasury.gov
Filing Inquiries
For questions about filing a notice or declaration with CFIUS, please review the Filing Guidance and Submission Instructions pages.
Tips
To submit a tip about a transaction that may raise national security concerns, visit the Tips page.