| North | East | South | West |
| 1NT | 2NT | 4♣ | 4♦ |
| 4♥ | Pass | 4♠ | 5♣ |
| X | Pass | 5♥ | Pass |
| Pass | 5NT | X | 6♦ |
| ? |
| Bid | Rule | Alert | Priority | Operations |
| PASS | Undefine | - | - | |
| X | Undefine | - | - | |
| 6♥ | Undefine | - | - | |
| 6♠ | Undefine | - | - | |
| 6NT | Undefine | - | - | |
| 7♣ | Undefine | - | - | |
| 7♦ | Undefine | - | - | |
| 7♥ | Undefine | - | - | |
| 7♠ | Undefine | - | - | |
| 7NT | Undefine | - | - |