I didn't know that, and I wasn't there at the time. In all honesty, I don't know that aspect of it. It would take a lot of research, but, yes, that was one of my questions from the beginning. Why was the signature not Morris Rosenberg's, especially since the receipts themselves were signed directly by him?
This is why donation policies ensure compliance. We have to accept a contract on behalf of the presidency. I used to sign all the contracts myself, and I was also the one who gave out tax receipts under my own signature. Otherwise, it can lead to...