Section 4(1) coal: amended, on 4 April 2016, by section 232 of the Health and Safety at Work Act 2015 (2015 No 70).
Section 4(1) mineral: amended, on 4 April 2016, by section 232 of the Health and Safety at Work Act 2015 (2015 No 70).
Section 4(1) tourist mining operation: amended, on 4 April 2016, by section 232 of the Health and Safety at Work Act 2015 (2015 No 70).
Section 4(2) mining operation paragraph (a): amended, on 4 April 2016, by section 232 of the Health and Safety at Work Act 2015 (2015 No 70).
Section 4(2) mining operation paragraph (b): amended, on 4 April 2016, by section 232 of the Health and Safety at Work Act 2015 (2015 No 70).
Section 4(3) mining operation paragraph (a): amended, on 4 April 2016, by section 232 of the Health and Safety at Work Act 2015 (2015 No 70).
Section 4(3) mining operation paragraph (b): amended, on 4 April 2016, by section 232 of the Health and Safety at Work Act 2015 (2015 No 70).