(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.