Anyone can implement systems using this format without any license. The user can decide how wide the narrowest vertical bar (X dimension) is, and how tall the rows are (Y dimension). PDF417 symbols can link to other symbols which are scanned in sequence allowing even more data to be stored. In addition to features typical of two dimensional bar codes, PDF417's capabilities include: PDF417 barcodes are also included on visas and border crossing cards issued by the State of Israel ( example). PDF417 is the standard selected by the Department of Homeland Security as the machine readable zone technology for RealID compliant driver licenses and state issued identification cards. PDF417 is also used by the airline industry's Bar Coded Boarding Pass ( BCBP) standard as the 2D bar code symbolism for paper boarding passes. PDF417 is one of the formats (along with Data Matrix) that can be used to print postage accepted by the United States Postal Service. PDF417 is used in many applications by both commercial and government organizations.
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