Foreword
1 Scope
2 Normative references
3 Definitions
4 Requirements
4.1 Data segment clarification
4.2 Message structure
4.2.1 Branching diagram
4.2.2 Segment table
4.3 Data segment index
Annex A (informative) Additional information
A.1 Field of application
A.2 Principles
Annex B (informative) Example