127. Undertaking not to overcharge or charge for services not supplied
The Principal Act is amended by the substitution of the following section for section 45:
"45.
(1) A person shall not impose, or purport to impose, a charge for supplying an electronic communications service or electronic communications product to an end-user that exceeds the amount for that service or product specified -
(a) in the undertaking's published tariff of charges, or
(b) in a written statement previously made or given to the end-user by the undertaking in relation to that supply.
(2) A person shall not impose, or purport to impose, a charge for an electronic communications service or electronic communications product that was -
(a) supplied to an end-user but not requested by him or her,
(b) requested by an end-user but not supplied to him or her, or
(c) neither supplied to, nor requested by, a person.
(3) A person that contravenes subsection (1) or (2) commits an offence and is liable on summary conviction to a class A fine.
(4) In carrying out an investigation to ascertain whether a person may be contravening or may have contravened subsection (1) or (2), the Commission may conduct an audit of the undertaking's billing system.