(a) All horses offered for entry from Mexico, including such horses intended for movement through the United States in bond for immediate return to Mexico, shall be inspected at a facility described in § 93.324, and all such horses found to be free from communicable disease and fever tick infestation, and not to have been exposed thereto, shall be admitted into the United States subject to the other applicable provisions of this part. Horses found to be affected with or to have been exposed to a communicable disease, or infested with fever ticks, shall be refused entry. Horses refused entry, unless exported within a time fixed in each case by the Administrator, shall be disposed of as said Administrator may direct.

(b) Horses covered by paragraph (a) of this section shall be imported through facilities described in § 93.324, which are equipped with facilities necessary for proper chute inspection, dipping, and testing, as provided in this part.