William L. Brandt writes ...
>most people would have ignored it. My partner
>insisted on paying it. How could they ever find
>out? To me that was $500 down the rat hole.

As a Canadian I think I can speak about taxes with some authority :-(

Let me just say that I would happily pay the $500 rather than have a tax
auditor park himself in my office for several months reviewing every
accounting transaction. Makes a root canal seem like fun!

Regards,
JWP