EN 1688 : 1995

FOREWORD
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS
4 REQUIREMENTS
  4.1 Data segment clarification
      4.1.1 Heading section
      4.1.2 Detail section
      4.1.3 Summary section
  4.2 Message structure
      4.2.1 Branching diagram
      4.2.2 Segment table
      4.2.3 Semantic Notes
  4.3 Data segment index
Annex A (informative) Additional information
  A.1 Field of application
  A.2 Principles

Defines the Purchase Order Change Message for use in Electronic Data Interchange (EDI) between partners involved in administration, transport and commerce. Details a message from a buyer to a seller when the buyer wishes to change a purchase order.