(A) When a horse is entered, it must be clearly identified by statement of its name, age, color, and sex, the names of its sire and dam;
(B) Any alteration in the sex of a horse must be reported and noted by the trainer to the racing secretary;
(C) Fillies and mares that have been bred shall be reported to the racing secretary as having been bred prior to being entered in a race. The secretary shall post on the bulletin board the names of all fillies and mares that have been bred and to what stallion or stallions;
(D) A mare that has been bred shall not be eligible to be entered in a claiming race unless the stallion mating certificate is attached to the registration certificate showing the fee for the stallion service has been satisfied and that the successful claimant will not be responsible for the stallion fee.