List 254: Resource file date role code
| Value | Description | Notes | Issue number | Modified in Issue |
|---|---|---|---|---|
| 17 | Last updated | Date when a resource was last changed or updated | 53 | |
| 27 | Available from | Date from which a resource is available for download | 53 | |
| 28 | Available until | Date until which a resource is available for download | 53 |