5(1)The responsible person for an oil field shall, for each chargeable period, prepare and, within one month after the end of the period, deliver to the Board a return for that period complying with sub-paragraphs (2) and (3) below; but nothing in this sub-paragraph shall require the responsible person to deliver a return under this paragraph before 31st July 1975.
(2)A return under this paragraph for a chargeable period shall—
(a)state the quantity of oil won and saved from the oil field during the period;
(b)state the respective interests of the participators in the field in that oil;
(c)state what, in accordance with those interests, is each participator's share of that oil; and
(d)contain such other particulars of or relating to the field as the Board may require.
(3)A return under this paragraph shall be in such form as the Board may prescribe and shall include a declaration that the return is correct and complete.