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.Resolved ADMC ViolationsDates: 10/06/2026Licensee: Jorge Farias, trainerPenalty: A fine of $500; imposition of 1.5 Penalty Points.Explainer: Vets list medication violations for the presence of Dimethyl Sulfoxide (DMSO)—a class C controlled substance—in a sample taken from Dutton on 8/28/26.Dates: 10/06/2026Licensee: Andres Gonzalez, trainerPenalty: Disqualification of Covered Horse's Race results, including forfeiture of all purses and other compensation, prizes, trophies, points, and rankings and repayment or surrender (as applicable); a fine of $500; imposition of 1.5 Penalty Points.Explainer: Vets list medication violations for the presence of Methocarbamol—a class C controlled substance—in a sample taken from Trafficstorm on 7/26/26.Dates: 10/02/2026Licensee: Jose Corrales, trainerPenalty: Disqualification of Covered Horse's Race results, including forfeiture of all purses and other compensation, prizes, trophies, points, and rankings and repayment or surrender (as applicable); a fine of $500; imposition of 1.5 Penalty Points.Explainer: Medication violation for the presence of Nikethamide—a banned substance—in a sample taken from Curlene's Spirit, who won at Laurel Park on 2/20/26.Dates: 09/30/2026Licensee: Ramiro B. Soza, trainerPenalty: Disqualification of Covered Horse's Race results, including forfeiture of all purses and other compensation, prizes, trophies, points, and rankings and repayment or surrender (as applicable); a fine of $500; imposition of 1.5 Penalty Points.Explainer: Vets list medication violations for the presence of Dexamethasone—a class C controlled substance—in a sample taken from Tiz a Flyer on 8/30/26.Dates: 09/30/2026Licensee: Niall Saville, trainerPenalty: A fine of $500; imposition of 1.5 Penalty Points.Explainer: Vets list medication violations for the presence of Dantrolene—a class B controlled substance—in a sample taken from Meritorious on 8/20/26.Dates: 09/30/2026Licensee: Jose G. G. Milian, trainerPenalty: 7-day period of Ineligibility for Covered Person, beginning on October 1, 2026; Disqualification of Covered Horse's Race results, including forfeiture of all purses and other compensation, prizes, trophies, points, and rankings and repayment or surrender (as applicable); a fine of $1,000; imposition of 2 Penalty Points.Explainer: Medication violation for the presence of Chlorpheniramine —a class B controlled substance—in a sample taken from Nuedorf, who won at Parx Racing on 6/22/26.Pending ADMC Violations10/07/2026, Joe Toye, trainer: Pending medication violations for the presence of Dimethyl Sulfoxide (DMSO)—a class C controlled substance—in samples taken from Kyalam, who finished third at Emerald Downs on 9/5/26, and from Number Thirtyfour, who won at Emerald Downs on 9/6/26.10/06/2026, Marti Lynn Rodriguez, trainer: Pending vet's list medication violation for the presence of Acepromazine—a class B substance—in a sample taken from Da American Heart on 8/18/26.10/06/2026, Jose Delgado, trainer: Pending out-of-competition medication violation for the presence of Clenbuterol—a banned substance except under certain circumstances—in a sample taken from Justintimeformusic on 8/13/26.10/05/2026, Jose Camejo, trainer: Pending vet's list medication violation for the presence of Acepromazine—a class B controlled substance—in a sample taken from Hittin My Stride on 9/8/26.10/05/2026, Felissa Dunn, trainer: Pending vet's list medication violation for the presence of Acepromazine—a class B controlled substance—in a sample taken from Kentucky Outlaw on 8/22/26.10/02/2026, Amira Chichakly, trainer: Pending medication violations for the presence of Acepromazine—a class B controlled substance—in a sample taken from Thirteen Red Flags, who finished fifth at Saratoga on 8/19/26.10/01/2026, Ronald Coy, trainer: Pending medication violations for the presence of Altrenogest—a banned substance—in a sample taken from Swamp Fox, who won at Gulfstream Park on 7/25/26.The post Weekly National Rulings October 1-7 appeared first on TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auctions.