(1) Each refiner and gas plant operator shall provide the department with monthly plant processing data by fuel type including inventories, receipts, inputs, production, shipments, fuel use, and losses.

(2) Each petroleum pipeline company shall provide the department with a monthly report of pipeline receipts, deliveries, and inventories by terminal location and consignee for all petroleum products delivered through its Montana system. The total quantity of out-of-state imports and exports shall also be reported.

(3) Each prime petroleum supplier shall provide the department with a monthly estimate of the firm's petroleum product supply for Montana in the upcoming month and the actual volume of each petroleum product delivered in the state the preceding month.