Chaptersort descending Date Reason
Thoroughbred — Chapter 31: Stable Names
2020-03-02
Directive -
Information Bulletin No. 76 – Thoroughbred iAGCO Rule Revisions
Thoroughbred — Chapter 33: Authorized Agents
2020-03-02
Directive -
Information Bulletin No. 76 – Thoroughbred iAGCO Rule Revisions
Thoroughbred — Chapter 34: Canadian-Bred Horses
2020-06-12

Information Bulletin: More Flexibility for Confirming Canadian-Bred Status of Thoroughbred Horses

Thoroughbred — Chapter 34: Canadian-Bred Horses
2020-06-29

Information Bulletin - Revision to the Thoroughbred Rules of Racing to Reduce the Canadian-Bred Weight Allowance, Rule 34.01

Thoroughbred — Chapter 36: Ontario Thoroughbred Exercise Induced Pulmonary Hemorrhage (EIPH) Program
2020-03-02
Directive -
Information Bulletin No. 76 – Thoroughbred iAGCO Rule Revisions
Thoroughbred — Chapter 37: TCO2 Testing Program
2021-04-06

Information Bulletin: Thoroughbred Rule Revisions (Winter 2021)

Thoroughbred — Chapter 37: TCO2 Testing Program
2021-06-01

Information Bulletin - Revision to the Rules of Racing to Lower TCO2 Thresholds Starting June 1, 2021

Thoroughbred — Chapter 37: TCO2 Testing Program
2023-08-28

Industry Notice: Temporary Revision to the Rules of Racing Regarding Equine Blood Sample Collection

Thoroughbred — Chapter 39: Out of Competition Program
2021-04-06

Information Bulletin: Thoroughbred Rule Revisions (Winter 2021)

Quarter Horse Appendix
2021-04-06

Information Bulletin: Thoroughbred Rule Revisions (Winter 2021)

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