Md. Code, Business Regulation § 10–407

(a) An operator of a vehicle or vessel who gets motor fuel for transport from a marine terminal, pipeline tank farm, place of manufacture, refinery, or other type of bulk storage shall:

(1) have a copy of the loading ticket or manifest; and

(2) deliver a copy of the loading ticket or manifest to the buyer or consignee of the motor fuel at the time of delivery.

(b) A loading ticket or manifest shall accompany each conveyance that leaves a place of loading.