Regulation 51: replaced, on 1 July 2013, by regulation 13 of the Gas (Safety and Measurement) Amendment Regulations 2012 (SR 2012/280).
Regulation 51(1): amended, on 31 July 2014, by regulation 11(1) of the Gas (Safety and Measurement) Amendment Regulations 2014 (LI 2014/205).
Regulation 51(2): replaced, on 31 July 2014, by regulation 11(2) of the Gas (Safety and Measurement) Amendment Regulations 2014 (LI 2014/205).
Regulation 51(3): amended, on 31 July 2014, by regulation 11(3) of the Gas (Safety and Measurement) Amendment Regulations 2014 (LI 2014/205).
Regulation 51(3): amended, on 31 July 2014, by regulation 11(4) of the Gas (Safety and Measurement) Amendment Regulations 2014 (LI 2014/205).
Regulation 51(4): amended, on 31 July 2014, by regulation 11(5) of the Gas (Safety and Measurement) Amendment Regulations 2014 (LI 2014/205).
Regulation 51(5): inserted, on 31 July 2014, by regulation 11(6) of the Gas (Safety and Measurement) Amendment Regulations 2014 (LI 2014/205).
Regulation 51(6): inserted, on 31 July 2014, by regulation 11(6) of the Gas (Safety and Measurement) Amendment Regulations 2014 (LI 2014/205).