A relocation directory ("RLD") record has the following format:
| Field | Offset | Type | Description |
|---|---|---|---|
| PTV | 0-2 | Byte(3) | Type of record
|
| 3 | Byte(1) | Reserved. | |
| Length | 4-5 | Binary(2) | Total length of the relocation data on this record. This length cannot be zero. |
| Relocation Data | 6-* | Byte(n) | Up to n bytes of relocation data. The format of the RLD data elements is shown in Table 1. |
| Trailer | Byte(m) | Unused space at the end of a record is reserved and cannot be used for any other purpose. |