# Finance Act 1983, Paragraph 7 In the Schedule to the Petroleum Revenue Tax Act 1980 (computation of payment on account) in paragraph 2(4) for the words β€œor (d)” there shall be substituted the words β€œ (d) or (f) ”. --- Source: https://www.legislation.gov.uk/ukpga/1983/28/schedule/8/paragraph/7 (the official version) Page: https://openlegislation.uk/finance-act-1983/schedule-8/paragraph-7 Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.