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 ViolationsDate: 09/16/2025Licensee: Dale Romans, 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. Final decision of internal adjudication panel.Explainer: Medication violation for the presence of Methocarbamol-a Class C controlled substance–in a sample taken from Defiant Lass, who finished second at Keeneland on 4/11/25.Date: 09/15/2025Licensee: Billy Miller, trainerPenalty: No consequences, charges removed.Explainer: HIWU alleged that he had breached rule 3510(b), “Refusal/failure to cooperate promptly and completely with HISA/HIWU under the ADMC Program Rules.”Date: 09/12/2025Licensee: Elias Lopez, 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. Admission.Explainer: Medication violation for the presence of Methocarbamol–a class C controlled substance–in a sample taken from Late Blacksmith, who won at Belterra Park on 8/6/25.Date: 09/11/2025Licensee: Sergio Morfin, trainerPenalty: Combined 22-day period of Ineligibility for Covered Person, beginning on Sept. 12, 2025; 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 combined fine of $3,500; combined imposition of 3 Penalty Points. Admission.Explainer: Medication violations for the presence of Methocarbamol–a Class C controlled substance–in samples taken from Lady Dosia, who finished sixth at Santa Anita on 6/12/25; and when she finished fourth at Santa Anita on 5/16/25.Date: 09/10/2025Licensee: Hector Palma, trainerPenalty: A fine of $500; imposition of 1.5 Penalty Points. Final decision of HIWU.Explainer: Vets' list medication violation for the presence of Dimethyl Sulfoxide (DMSO)–a class C controlled substance–in a sample taken from Uncle Evco on 7/30/25.Pending ADMC Violations09/17/2025, Moises Yanez, trainer: Pending medication violation for the presence of Dantrolene–a class B controlled substance–in a sample taken from She's Gone Rogue, who won at Colonial Downs on 8/16/25.09/16/2025, Rasheed Pinnock, trainer: Pending vets' list medication violation for the presence of Dantrolene–a class B controlled substance–in a sample taken from Catalierra on 8/17/25.09/16/2025, Jose Roberto Gonzalez, trainer: Pending vets's list medication violations for the presence of testosterone–a banned substance–in a sample taken from Ol' McClintock on 4/22/25; and for the presence of Albuterol–a banned bronchodilator–in a sample taken from Discovery N Sight on 7/23/25.09/15/2025, Jose Miguel Jimenez, trainer: Pending medication violation for the presence of Lidocaine–a class B controlled substance–in a sample taken from Into Inspiration, who finished second at Finger Lakes on 7/28/25.09/12/2025, Vladimir Cerin, trainer: Pending vets' list medication violation for the presence of Betamethasone–a class C controlled substance–in a sample taken from Saqeel on 8/13/25.09/12/2025, Harry Lynch, trainer: Pending vets's list medication violation for the presence of Flunixin–a class C controlled substance–in a sample taken from Cutlass King on 8/12/25.09/11/2025, Eusebio Juarez, trainer: Pending medication violation for the presence of Sparteine–a banned Antiarrhythmic–in a sample taken from Desoto's War, who won at Will Rogers on 4/28/25.Violations of Crop RuleAqueductRuben Dario Silvera–violation date Sept. 11; $500 fine, one-day suspensionDelaware ParkJean Briceno–violation date Sept. 11; $250 fine, one-day suspensionJulio Hernandez–violation date Sept. 11; $250 fine, one-day suspensionCecily Evans–violation date Sept. 11; $250 fine, one-day suspensionLos AlamitosAssael Espinoza–violation date Sept. 13; $250 fine, one-day suspensionThe post Weekly National Regulatory Rulings, Sept. 11-17 appeared first on TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auctions.