(b) principles in accordance with which Telstra is to make alterations to the charge;
(2) A determination under this section is a disallowable instrument for the purposes of section 46A of the Acts Interpretation Act 1901 .
(3) To avoid doubt, price-cap arrangements and other price control arrangements determined under this section may relate to charges for untimed local calls in particular areas.
(4) A determination under this section may make different provision with respect to different customers. This section does not, by implication, limit subsection 33(3A) of the Acts Interpretation Act 1901 .
(5) Telstra must comply with a determination under this section.