(1) The following provisions of this Act do not apply to or in respect of the supply of water for human consumption through a reticulated water system by a water supplier:(a) sections 13 , 15 , 16(1) , 17(1) , 18 , 19 , 20 and 21 (but only to the extent to which it requires compliance with the requirements of the Food Safety Standards);(b) Parts 5 and 7 .(2) In this section,water supplier means (a) a body that is constituted by or under an Act and that has as its function, or as one of its functions, the supply of water for human consumption; or(b) a person that is employed or engaged by such a body to supply water for human consumption; or(c) any body or person prescribed by the regulations for the purposes of this section.