| North | East | South | West |
| 1NT | 2♠ | X | XX |
| 2NT | Pass | 3♥ | X |
| 4♥ | 4NT | X | 5♦ |
| 5NT | Pass | 6♦ | Pass |
| ? |
| Bid | Rule | Alert | Priority | Operations |
| PASS | Undefine | - | - | |
| 6♥ | Undefine | - | - | |
| 6♠ | Undefine | - | - | |
| 6NT | Undefine | - | - | |
| 7♣ | Undefine | - | - | |
| 7♦ | Undefine | - | - | |
| 7♥ | Undefine | - | - | |
| 7♠ | Undefine | - | - | |
| 7NT | Undefine | - | - |