A call in the course of the bidding auction that is insufficient, out of rotation, or otherwise improper.
For example:
![](https://bernardmageebridge.com/wp-content/uploads/2021/11/image-138.png)
By West, a double, redouble or bid of or below 2♦ would be illegal. Any call by one of the other players would be illegal.
A call in the course of the bidding auction that is insufficient, out of rotation, or otherwise improper.
For example:
By West, a double, redouble or bid of or below 2♦ would be illegal. Any call by one of the other players would be illegal.