NEGATES
| Date | Clue |
|---|---|
| 2026-06-21 | Cancels out |
| 2026-03-13 | Cancels |
| 2024-08-02 | Cancels out |
| 2023-04-07 | Renders ineffective |
| 2012-08-12 | Renders invalid |
| 2007-09-30 | Brings to naught |
| 2006-03-17 | Disestablishes |
| 1999-04-22 | Makes ineffective |
| 1996-07-20 | Cancels |
| 1994-04-18 | Nullifies |