This is a Sources Sought Notice for market research, not a solicitation, seeking contractors capable of providing expert regulatory writing and analytical services to support FinCEN and the U.S. Department of Treasury. Services must be performed on-site at Treasury locations in Washington, DC, and Vienna, VA, and require an active Secret facility security clearance. The scope includes drafting regulatory documents, supporting interagency coordination, analyzing public comments, and preparing regulatory impact analyses for rulemakings under the AMLA and GENIUS Act. Responses are due by May 13, 2026, at 3:00 p.m. ET, and must include a capabilities statement, relevant experience, and past performance references. No budget information is specified in the notice.