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: 04/21/2026Licensee: Anthony F. Cunningham, trainerPenalty: A written Reprimand (per 9/26/23 HISA Guidance).Explainer: Vets' list medication violation for the presence of Omeprazole (Gastrogard)–a class C controlled substance–in a sample taken from Sound Doctrine on 3/20/26.Dates: 04/21/2026Licensee: Scott E. Young, 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 Phenylbutazone–a class C controlled substance–in a sample taken from Dontcallitacomebak, who won at Will Rogers on 2/24/26.Dates: 04/21/2026Licensee: Timothy M. Gleason, 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 Dexamethasone–a class C controlled substance–in a sample taken from Fire Breather, who won at Sunland Park on 2/23/26.Dates: 04/20/2026Licensee: Robin Graham, trainerPenalty: A fine of $500; imposition of 1.5 Penalty Points. Final decision of HIWU.Explainer: Vets' list medication violation for the presence of Dantrolene–a class C controlled substance–in a sample taken from Not a Bother on 3/7/26.Dates: 04/20//2026Licensee: Robert Falcone Jr., 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 HIWU.Explainer: Medication violation for the presence of Triamcinolone–a class C controlled substance–in a sample taken from More Than Grace, who won at Parx Racing on 1/13/26.Dates: 04/16/2026Licensee: Arturo Chavez, 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 HIWU.Explainer: Medication violation for the presence of Diclofenac–a class C controlled substance–in a sample taken from Sophisticat, who finished seventh at Sunland Park on 3/1/26.Pending ADMC Violations04/21/2026, Rogelio Labra, trainer: Pending medication violation for the presence of Cobalt Salts–a banned substance–in a sample taken from Miss Susan B, who won at Turfway Park on 2/20/26.04/21/2026, Brittany Russell, trainer: Pending vets' list medication violation for the presence of Acepromazine–a class B controlled substance–in a sample taken from Loaf of Sof on 2/10/26.04/20/2026, S, Matthew Kintz, trainer: Pending medication violation for the presence of Dantrolene–a class C controlled substance–in a sample taken from Busker, who finished tenth at Tampa Bay on 3/22/26.04/20/2026, Jose A. Gallegos, trainer: Pending medication violation for the presence of Phenylbutazone–a class C controlled substance–in a sample taken from Distinct, who finished ninth at Tampa Bay on 3/20/26.04/20/2026, Mark S. Tubbs, trainer: Pending medication violation for the presence of Phenylbutazone–a class C controlled substance–in a sample taken from Lotsa Kitty, who won at Turf Paradise on 3/16/26.04/17/2026, Enrique Hernandez, trainer: Pending medication violation for the presence of Phenylbutazone–a class C controlled substance–in a sample taken from Once an Eagle, who won at Tampa Bay on 3/20/26.04/17/2026, Aldana Spieth, trainer: Pending medication violation for the presence of Acepromazine–a class B controlled substance–in a sample taken from Prince of Ayrshire, who won at Tampa Bay on 2/15/26.04/16/2026, Jesus Munoz-Escobedo, trainer: Pending medication violation for the presence of Flunixin and Phenylbutazone–both class C controlled substances–in a sample taken from Daretocatchlove, who finished second at Will Rogers on 3/17/26.4/16/2026, Luis Diaz, trainer: Alleged breach of rule 3214(a), concerning “Possession of a Banned Substance,” along with the alleged breach of rule 3216(a), concerning “Tampering or Attempted Tampering by a Covered Person with any part of Doping Control or Medication Control,” for an event dated 1/1/26. The substances in question are Iron Dextran Complex, Disopropylamine, and Trenbolene (Trendione).4/16/2026, Raul Beltran-Moreno, trainer: Alleged breach of rule 3214(a), concerning “Possession of a Banned Substance”–in this case Pitcher Plant Extract–for an event dated 1/8/26.Crop ViolationsOaklawn ParkJane P. Elliott–reporting date April 19; $250 fine, no other informationFrancisco J. Arrieta–reporting date April 18; $750 fine, three-day suspension on appeal, stay requestedRonnie W. Huckaby–reporting date April 18; $500 fine, one-day suspensionSanta AnitaJuan Hernandez–reporting date April 20; $1,500 fine, three-day suspension, on appeal and stay requestedThe post Weekly Rulings: April 16-22 appeared first on TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auctions.