205 CMR, § 4.22Download PDFCurrent through Register 1537, December 20, 2024Section 4.22 - Naming of Jockeys(1) Jockeys shall be named not later than scratch time of the day of the race.(2) Any subsequent change of a jockey must be sanctioned by the Stewards and must be promptly and publicly posted and announced.205 CMR, § 4.22