| Composite data element specification | S004 |
| Directory | Messages | Segments | Composites | Data elements | Codes | Meaning of the change indicators |
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| Date/time of preparation of the interchange. |
| 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 |
| 010 | 0017 | Date of preparation | M | 1 | n6 | ||
| 020 | 0019 | Time of preparation | M | 1 | n4 | ||
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