List 66: BISAC returnable indicator
| Value | Description | Notes |
|---|---|---|
| N | No, not returnable | |
| Y | Yes, returnable, full copies only | |
| S | Yes, returnable, stripped cover | Note the product barcode should be repeated (with triangular ‘strippable’ indicator) on cover 2 (inside front cover) to facilitate scanning of returned stripped covers |
| C | Conditional | Contact publisher for requirements and/or authorization |