DHS and DOS Final Rule on the First Phase of the WHTI

DHS/DOS joint final rule that as of 1/23/07, all U.S. citizens and nonimmigrants from Canada, Bermuda and Mexico will have to present a valid passport at air ports-of-entry when departing from or entering the U.S. from within the Western Hemisphere. (71 FR 68412, 11/24/06)