3821813 - How do I create an audit rule that checks if there are two billing dates within our expense report entries?

I want to create an audit rule to restrict meeting card holders from submitting expense reports that have expenses with two specific billing dates in them.

Create an audit rule that checks all entries for two specific billing dates in the same report and fires if true. , KBA , CON-EXP-ADM-AUR , Audit Rules , Problem