[Back In The Saddle]

Originally Posted by just another ref

Okay, I have said from the start that the words call and signal were not interchangeable. Many have said for the purposes of this case they are intended to be. A fist in the air is still a signal. You signaled (called?)
a foul, but it's okay to yield to your partner here just because he gave a prelim, which you believe to be wrong, and you gave none?

It's not only okay, it's advisable.