On Thursday, the Horseracing Integrity and Safety Authority updated some important rules and deadlines concerning the impending racetrack safety portion launch of the Horseracing Integrity and Safety Act (HISA). The Authority-the umbrella non-profit established by the Act-noted among other things that the registration deadline for certain "covered persons" has been pushed back a day, to July 2, and clarified some details about the transfer of claimed horse records. Since issuing a cheat sheet to help guide industry participants through this process, the TDN has been fielding unanswered questions industry participants...