ISO 6586:1980 Preview
Data processing -- Implementation of the ISO 7- bit and 8- bit coded character sets on punched cards
This standard was last reviewed and confirmed* in 2002.
*Therefore this version remains current
Defines implementation of ISO 7-bit and 8-bit coded character sets on punched cards as well as the representation of 7-bit and 8-bit combinations on 12-row punched cards. This representation is derived from, and compatible with, the Hollorith Code. Ensures widely compatibility with existing punched card files. Intended for general interchange of information among data processing systems.