Section R. 285.814.8 - RegistrationRule 8.
(1) The owner or lessee shall register a standardbred stallion, on forms provided by the fairs and racing division, by January 1 each year in which the stallion will be standing at service in this state.(2) The owner or lessee of a newly acquired stallion, which has not been in Michigan for breeding purposes before January 1 of a given year and which has not serviced a mare after December 31 of the preceding year, shall register the newly acquired stallion, on forms provided by the fairs and racing division, before the stallion services a mare. If the stallion is leased, a copy of the lease agreement shall accompany the fairs and racing division application for registration.Mich. Admin. Code R. 285.814.8