OSS sustaining payments for 2-year-olds due March 16
If you intend on racing your 2-year-old in the Ontario Sires Stakes (OSS) program in 2026, the sustaining payment must be received by Tuesday, March 16 at 11:59pm EST. Participants are encouraged to use the online registration and payment form available on the OSS website. All mail in payments must be post-marked by March 16