ANSI INCITS 455
ANS NCTS 455 2009-SEP-29 nformaton TechnologyCodes for the dentfcaton of Congressonal Dstrcts and Equvalent Areas of the Unted States Puerto Rco and the nsular Areas
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Scope and purpose
This standard establishes a structure for the assignment of identifying data codes to congressional districts of the United States and its insular and associated areas, for the purpose of information interchange among data processing systems.