Historical
INCITS 454-2009[R2014]
Information Technology û Codes for the Identification of Metropolitan and Micropolitan Statistical Areas and Related Statistical Areas of the United States and Puerto Rico
This standard establishes a structure for the assignment of data codes by which to uniquely identify metropolitan and micropolitan statistical areas generically referred to as ôcore based statistical areasö and related statistical areas i e metropolitan divisions combined statistical areas New England city and town areas NECTAs NECTA divisions and combined NECTAs of the United States and Puerto Rico for the purpose of information interchange among data processing systems
InterNational Committee for Information Technology Standards [incits]