(1) Horses which receive an intra articular joint injection are ineligible to race or work off the official veterinarians list for a period of seven days following an intra articular joint injection. The detection of two or more corticoid steroids in a post race sample will be considered stacking and carry a Class C penalty.

(2) For purposes of counting, the date of the injection is counted as the first day. The horse is eligible to race on the eighth day.