To transmit identifying numbers, dates, and other basic data relating to the transaction set
| Position | Element | Name | Type | Min/Max | Repeat | |
|---|---|---|---|---|---|---|
| 1 | 353 | Transaction Set Purpose Code | Mandatory | ID | 2/2 | AtMax 1 |
| 2 | 127 | Reference Identification | Mandatory | Alphanumeric | 1/80 | AtMax 1 |
| 3 | 1250 | Date Time Period Format Qualifier | Mandatory | ID | 2/3 | AtMax 1 |
| 4 | 1251 | Date Time Period | Mandatory | Alphanumeric | 1/35 | AtMax 1 |
| 5 | 67 | Identification Code | Mandatory | Alphanumeric | 2/80 | AtMax 1 |
| 6 | 1485 | Service Commitment Type Code | Mandatory | ID | 1/1 | AtMax 1 |
| 7 | 322 | Load/Empty Status Code | Mandatory | ID | 1/1 | AtMax 1 |
| 8 | 488 | Percent, Integer Format | Opt | Number | 1/3 | AtMax 1 |