(1)  A council, on its own volition or on application by a person who is registered as a supplier of water from a private water source, may vary the registration by omitting, adding, substituting or amending any condition of the registration.

(2)  Before varying the registration, the council is to consider the protection of public health and any relevant guidelines.

(3)  The council, by notice in writing served on the holder of the certificate of registration, is to notify any variation of the registration.

(4)  The variation of the registration takes effect –

(a) if an application for a review of the decision to vary the registration is not made under section 163A(c) , 28 days after service of the notice; or

(b) if an application for a review of the decision to vary the registration is made under section 163A(c) and the Magistrates Court (Administrative Appeals Division) makes a decision affirming the decision under review, on the day the decision was affirmed.