5(1)In paragraph (4) of clause 10 of the model clauses set out in Schedule 5 to the [S.I. 1976/1129.] Petroleum (Production) Regulations 1976 as amended by the [S.I. 1978/929.] Petroleum (Production) (Amendment) Regulations 1978 and the [S.I. 1980/721.] Petroleum (Production) (Amendment) Regulations 1980 after the words " of this clause " there shall be inserted the words " and before he has given to the Licensee a notice in pursuance of paragraph (5) of this clause in respect of that period ".
(2)In paragraph (6) of that clause for the words " the amount specified in the previous notice " there shall be substituted the words " the total amount already paid by the Licensee in pursuance of this clause in respect of that period ".
(3)In paragraph (8) of that clause the words " or on account of a prospective liability under " shall be omitted.
(4)After paragraph (9) of that clause there shall be inserted the following paragraph—
“(10)For the purposes of this clause any amount paid by the Licensee or the Minister on account of a prospective liability under paragraph (4), (5) or (6) of this clause shall be treated as paid in pursuance of that paragraph.”
(5)In paragraph (3) of clause 11 of those clauses, in sub-paragraph (c) for the words from " crude oil" onwards there shall be substituted the words " crude oil, condensate, natural gas and natural gas liquids, in each case of a quality or composition or of each quality or composition determined in the manner specified in the notice ".