SCHEDULE 8Reliefs for Exploration and Appraisal Expenditure etc.
PART IIAmendments Relating to the New Allowance
The Petroleum Revenue Tax Act 1980
7In the Schedule to the [1980 c. 1.] Petroleum Revenue Tax Act 1980 (computation of payment on account) in paragraph 2(4) for the words " or (d) " there shall be substituted the words " (d) or (f) " .