Md. Code, Business Regulation § 10–410

Each petroleum transporter required by regulation to report to the Comptroller shall:

(1) report monthly on the form required by the Comptroller all motor fuel that the petroleum transporter imports into or exports from the State;

(2) keep for 2 years a record of each interstate and each intrastate shipment of motor fuel;

(3) on request, provide these records to the Comptroller; and

(4) report immediately to the Comptroller the loss of any motor fuel, unless the loss is due to:

(i) temperature correction; or

(ii) a spill that is reported to another State unit.