Section CW 57(1)(a): replaced, on 1 January 2015, by section 34(1) of the Taxation (Annual Rates, Employee Allowances, and Remedial Matters) Act 2014 (2014 No 39).
Section CW 57(1)(b): replaced, on 1 January 2015, by section 34(1) of the Taxation (Annual Rates, Employee Allowances, and Remedial Matters) Act 2014 (2014 No 39).
Section CW 57(2) exploration and development activities: replaced, on 1 January 2015, by section 34(2) of the Taxation (Annual Rates, Employee Allowances, and Remedial Matters) Act 2014 (2014 No 39).