The following persons are required to take out a license from, or register with, the Commission: Licenses: Owner; Trainer; Assistant trainer; Jockey; Apprentice jockey; Jockey agent; Pari-mutuel employee; Stable employee; Track employee; Vendor; Veterinarian; Farrier; Exercise rider. Registrations: Authorized agent; Stable name. License and Registration Expiration. A license or registration issued under §A(1)(a)—(f) or §A(2) of this regulation shall expire on December 31 of the year for which it was issued. A license issued under §A(1)(g)—(m) of this regulation shall expire on June 30 of each year.