http://www.bloodhorse.com/horse-racing/articles/218669/irs-treasury-propose-new-pari-mutuel-tax-policy

shanahan: The IRS doesn\'t know the difference between Churchill Downs Twinspires & Churchill Technology - they changed the name on the forms and the IRS thinks they are separate wagers/wins/reports.  You would not believe the hoops I am jumping through in spite of the amounts being identical.
Perhaps a good career for an enterprising young accountant...