| http://www.w3.org/ns/prov#value | - The documentation requirements of the WHTI went into effect in 2007 for air travel into the United States and in 2009 for land and sea travel.(i) In addition to a passport and other documents, the federal government approved, for cross-border travel, the use of an enhanced driver???s license (EDL), which is a standard state-issued driver???s license that has been enhanced in process,
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