Project 91-R, INCITS 31:200x, Information technology - Codes for the Identification of Counties and Equivalent Areas of the United States, Puerto Rico, and the Insular Areas (Revision of INCITS 31:1988 [R2007])

Project 91-R, INCITS 31:200x, Information technology - Codes for the Identification of Counties and Equivalent Areas of the United States, Puerto Rico, and the Insular Areas (Revision of INCITS 31:1988 [R2007])

This standard establishes a structure for the assignment of identifying data codes to counties and county equivalents of the United States and its insular and associated areas, for the purpose of information interchange among data processing systems.