Md. Code, Agriculture § 3–306

(a) Every owner or consignor shall furnish the trucker or hauler of animals being moved to a farm or to sale with a health certificate or a declaration giving the name and address of the owner or consignor of the animals and the name and address of the consignee. Each trucker or hauler shall ensure that the operator of the truck or other vehicle possesses the appropriate health certificate or declaration for each animal.

(b) Any consignment of animals not accompanied by the appropriate health certificate or declaration may be quarantined.