Geothermal Energy Regulations 1961, Amendment No 6 (SR 1992/119)
Resource Management Act 1991 (1991 No 69): section 362
Energy (Fuels, Levies, and References) Act 1989 (1989 No 140): section 7(1)
Geothermal Energy Regulations 1961, Amendment No 4 (SR 1987/157)
Geothermal Energy Regulations 1961, Amendment No 2 (SR 1987/73)
Geothermal Energy Amendment Act 1966 (1966 No 50): section 4(2)