Section 3(1) of the Principal Act is amended as follows:

(a) by inserting the following definition after the definition of Appeal Board :

approved disposal system means a system approved under any Act for the disposal of sewage, stormwater or trade waste;

(b) by inserting the following definition after the definition of sewerage installation :

sewerage system means sewers and sewerage works vested, under any Act, in a regulated entity within the meaning of the Water and Sewerage Industry Act 2008 ;