Forgot B1s Number

[bucky]

Originally Posted by ref1990

A1 drives to the basket and is fouled by B1. While headed to the reporting area, the official forgets B1s number and cannot identify him on the court. What rule do you apply if the officials cannot determine who fouled A1?

I am not exactly answering the question however, this is why an official is to verbally indicate the offender when a foul occurs. Players and partners can hear it and there is a better chance of recall if you get to the table and forget.