(a) Inventory. Each handler shall file with the Committee a certified report showing such information as the Committee may specify with respect to any oil which was held by the handler at such times as the Committee may designate.

(b) Receipts. Each handler shall, upon request of the Committee, file with the Committee a certified report showing for each lot of oil received, the identifying marks, class of oil, weight, place of production, and the producer's name and address at such times as the Committee may designate.

(c) Other reports. Upon the request of the Committee, each handler shall furnish such other information as may be necessary to enable the Committee to exercise its powers and perform its duties under this part.