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Travel Travel News U.S. Citizens/Lawful Permanent Residents For International Visitors Clearing CBP Trusted Traveler Programs For Travel Industry Personnel Wait Times - Airport and Border Pleasure Boats Private Flyers CBP Search Authority Customer Service in Travel		Home  /  Travel  /  U.S. Citizens/Lawful Permanent Residents  /  Western Hemisphere Travel Initiative  /  WHTI Program Background  /  Reference Materials - Final Rule Document – Air - Final Rule Documents - Land and Sea - WHTI Environmental Assessment - 09/10/2007 For Accessibility Information: OFO508CONTACT@cbp.dhs.gov pdf - 4,579 KB. - Use of Radio Frequency Identification (RFID) Technology for Border Crossings - 09/15/2008 For Accessibility Information: OFO508CONTACT@cbp.dhs.gov pdf - 236 KB. - CBP Procedures for Processing Travel Documents at the Border - 09/15/2008 For Accessibility Information: OFO508CONTACT@cbp.dhs.gov pdf - 275 KB. Search Reference Materials for: section sitemap for Reference Materials see also: in WHTI Program Background:   Document Requirements for Air Travel   Western Hemisphere Travel Initiative (WHTI) Fact Sheet (pdf - 1,540 KB.)   Overview of Enhanced Driver’s Licenses (pdf - 86 KB.)   Enhanced Driver’s License Guide (pdf - 387 KB.)   Document Requirements for Land and Sea Travel   Frequently Asked Questions on the web:   Final Rule Document – Air News Feeds
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