NEN EN 797 : 1995 C1 1997

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Requirements
Annexes
A (normative) Additional features
B (normative) Version D symbol structure
C (informative) Guidelines for the use of EAN/UPC
D (informative) Symbology identifier
E (informative) Examples of application-defined
     parameters
F (informative) Illustration of the encodation of
     number sets A, B and C and auxiliary characters
G (informative) Overview of the EAN/UCC system

Specifies the requirements for the bar code symbology known as 'EAN/UPC'. Specifies 'EAN/UPC' symbology characteristics, symbol formats, data code encodation, dimensions, tolerances and a reference decoding algorithm.