Since issuing a cheat sheet to help guide industry participants through the launch of the Horseracing Integrity and Safety Act (HISA) on July 1, the TDN has been fielding unanswered questions that industry participants have about the process to register, and about the anticipated playing field within a few weeks, forwarding them to HISA for response. The first two batches of reader questions, alongside HISA's responses, can be found here and here. The latest batch of answers is below. Some of the questions have been edited for brevity and clarity....