1550 Index Qualifier
Code identifying an index
- Type
- Identifier (ID)
- Length
- Min 1 / Max 2
- Codes
| Code | Description | 
|---|
 | 1 | Matrix Start - Absolute Reference |  | 2 | Matrix Start - Relative Reference |  | 3 | Matrix Continuation - Absolute Reference |  | 4 | Matrix Continuation - Relative Reference |