114 Telecommunications Act 2005 2005, No.20 costs or such other cost standard as may be established by the Regulator; (f) using revenues or the allocation of costs from one telecommunications service to cross-subsidize a competitive telecommunications service with the objective of lessening competition, except where such cross subsidy is specifically approved by order of the Regulator or by approval of tariffs for relevant telecommunications services; (g) failing to comply with the interconnection obligations of a dominant service provider specified in Part VII of this Act; (h) performing any of the following actions, where such actions have the effect of impeding or preventing a competitor‟s entry into, or expansion in, a market: (i) deliberately reducing the margin of profit available to a competitor that requires wholesale telecommunications services from the dominant service provider, by increasing the prices for the wholesale telecommunications services required by that competitor, or decreasing the prices of the retail telecommunications services in markets where they compete, or both; (ii) requiring or inducing a supplier to refrain from selling to a competitor; (iii) adopting technical specifications for networks or systems to deliberately prevent interoperability with a network or system of a competitor; (iv) failing to make available to other service providers on a timely basis technical specifications, information about essential facilitie or other commercially relevant formation which is required by such other service providers to provide telecommunications services and which is not available from other sources; and