To identify the trade item product type
| Position | Element | Name | Type | Min/Max | Repeat | |
|---|---|---|---|---|---|---|
| 1 | 687 | Class of Trade Code | Mandatory | ID | 2/2 | AtMax 1 |
| 2 | 128 | Reference Identification Qualifier | Rel | ID | 2/3 | AtMax 1 |
| 3 | 127 | Reference Identification | Rel | Alphanumeric | 1/80 | AtMax 1 |
| 4 | 128 | Reference Identification Qualifier | Rel | ID | 2/3 | AtMax 1 |
| 5 | 127 | Reference Identification | Rel | Alphanumeric | 1/80 | AtMax 1 |
| 6 | 355 | Unit or Basis for Measurement Code | Rel | ID | 2/2 | AtMax 1 |
| 7 | 739 | Measurement Value | Rel | Decimal | 1/20 | AtMax 1 |