(a) It shall be the duty of every person producing or in charge of production of crude petroleum or natural gas from any well or wells in the State of Alabama for sale, transport, storage, profit or for use to keep and preserve such records of the amount of all such crude petroleum oil or natural gas produced for sale, transport, storage, profit or for use as may be necessary to determine the amount of the tax for which he is liable under the provisions of Section 9-17-25 and Section 9-17-35.
(b) It shall be the further duty of every such person to file with the Department of Revenue, not later than the fifteenth day of the second calendar month following the month of production, a return, subscribed by the person who completes such return, which must contain a printed declaration that it is made under the penalty of perjury, showing the amount of crude petroleum oil or natural gas produced for sale, transport, storage, profit or for use during the second preceding month, to compute on the return the amount of tax charged against him in accordance with the provisions of Section 9-17-25 and Section 9-17-35 and to transmit to the Department of Revenue with such return a remittance covering the tax chargeable against him. The return shall contain such other information and shall be in such form as the Department of Revenue shall designate.
(c) The Department of Revenue is authorized to determine the gross value at the point of production as required under Section 9-17-25, and the gross proceeds attributable to offshore production as required under Section 9-17-35, both in accordance with customary practice.
(d) The Department of Revenue is hereby authorized to promulgate reasonable rules and regulations relating to the administration and enforcement of this article provided, however, that no rule or regulation adopted or promulgated by the department shall alter, limit, extend or be out of harmony with any of the provisions of this article.