Every week, the TDN posts a roundup of the relevant Horseracing Integrity and Safety Act (HISA) related rulings from around the country. The following rulings were reported on HISA's "rulings" portal and through the Horseracing Integrity and Welfare Unit's (HIWU) "pending" and "resolved" cases portals. Among this week's rulings, trainer Carlos Sedillo has been suspended 18 months and fined $12,500 after he was found in possession of Levothyroxine—a banned synthetic thyroid drug—at Sunland Park in New Mexico on March 6. His suspension began on December 11. The case was resolved without a hearing. Sedillo has been training...