We cannot accept notices from horse dealers, order buyers or persons selling on a commission basis All listings of horses and mules must be accompanied by a statement from the seller that he agrees to furnish the buyer a copy of the original negative Coggins test for Equine Infectious Anemia (E.I.A.) that was performed within the past 12 months prior to sale on horses, mules and jacks, except nursing foals. Only in-state residents are allowed to advertise within this category.