This part of ISO/IEC 7811 is one of a series of standards describing the characteristics for identification cards as defined in the definitions clause and the use of such cards for international interchange.
ANSI/INCITS/ISO/IEC 7811-7:2004 history
2004ANSI/INCITS/ISO/IEC 7811-7:2004 Identification cards - Recording technique - Part 7: Magnetic stripe - High coercivity, high density