The Service Tree lists all services in "branched" groups, starting with the very general and moving to the very specific. Click on the name of any group name to see the sub-groups available within it. Click on a service code to see its details and the providers who offer that service.
CIS National Headquarters
Taxonomy Code: FT-3500.1500-250
The main office of the Bureau of Citizenship and Immigration Services that establishes policy, makes regulations and provides guidance to CIS offices in the U.S. and abroad.