Where used:
| Attribute | ACTIVITY DATE TIME TYPE | references in description Date First Seen |
| Attribute | DELAY REASON COMMENT | references in description Date First Seen |
| Data Element | DATE FIRST SEEN | references in description Date First Seen |
| Supporting Information | Date First Seen | references in description Date First Seen |
| Supporting Information | National Cancer Waiting Times Monitoring Data Set Overview | references in description Date First Seen |