U.S. Citizenship and Immigration Services (USCIS) Application Support Center (ASC) stand-alone sites will move to a Monday through Friday schedule beginning Nov. 2, 2009. Stand-alone ASCs are those which are not co-located with other federal offices and which previously operated Tuesday through Saturday. All ASCs, both stand-alone and co-located sites, will continue to be open from 8:00 am to 4:00 pm.
USCIS Announces Stand Alone Application Support Centers Change in Schedule
Immigration Law :