Each purchaser shall, in the form and manner required by the department, make a return to the department showing the total value, volume and kind of products purchased by him from each production unit for each calendar month. All taxes due or

to be remitted by the purchaser shall accompany this return. The return shall be filed on or before the twenty-fifth day of the second month after the calendar month for which the return is required. Any additional reports or information the department may deem necessary for the proper administration of the Oil and Gas Conservation Tax Act may be required.