INCITS 21-2017
Rectangular Holes in Twelve-Row Punched Cards

Standard No.

INCITS 21-2017

Release Date

2017

Published By

ANSI - American National Standards Institute

Latest

INCITS 21-2017

Scope

This standard specifies the size and location of rectangular holes in twelve-row 3%-inch wide punched cards. To be a processable document@ suitable for information interchange. cards must also meet USA Standard Specifications for General Purpose Paper Cards for Information Processing@ X3.11-1966.

INCITS 21-2017 history

• 2017 INCITS 21-2017 Rectangular Holes in Twelve-Row Punched Cards
• 1967 INCITS 21-1967 Rectangular Holes in Twelve-Row Punched Cards