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