The Transmission header indicates the begginning of the CWR data on the file, and contains information about it’s creation and sender.
It contains the following fields:
| Field | Type | Required | Description |
|---|---|---|---|
| Record Type | Alphanumeric | Yes | It is always ‘HDR’ |
| Sender Type | Alphanumeric | Yes | Indicates the role of the sender. Only ‘AA’, ‘PB’, ‘SO’ or ‘WR’ are accepted. |
| Sender ID | Numeric | Yes | Code identifying the sender |
| Sender Name | Alphanumeric | Yes | Name of the sender |
| EDI Standard Version Number | Alphanumeric | Yes | Version of the header and trailer. ‘01.10’ for CWR 2.1 |
| Creation Date | Date | Yes | The date that this file was created |
| Creation Time | Time | Yes | The time of day that this file was created |
| Transmission Date | Time | Yes | The date that this file was transmitted to all receiving entities |
| Character Set | Time | No | To be used if this file contains data in a character set other than ASCII |