transmitted or stored. Such information may not be passed on to any other party, in particular other subdivisions, subsidiaries or partners for whom such information could provide a competitive advantage. The Communications Regulatory Authority may adopt rules detailing the measures to secure such requirements. 6. When resolving a dispute between undertakings, the Communications Regulatory Authority shall have the right, in conformity with the principles established by this Law and in cases justified by the objectives thereof, to issue at its own initiative or in accordance with the procedure established in Article 28 of this Law a decision on the granting of undertaking-binding access, including network interconnection, where the granting covers the imposition of obligations in respect of specific access as specified in paragraph 2 of this Article. 7. The Communications Regulatory Authority shall have the right to adopt rules for granting and providing access, including network interconnection. Article 23. Price control and cost accounting obligations 1. The Communications Regulatory Authority shall have the right to impose obligations on an operator having significant market power relating to cost recovery and price controls, including obligations to provide access at prices that are based on costs (taking into account a reasonable rate of return on investment) and obligations concerning cost accounting systems, for the provision of specific types of access, in situations where a market analysis indicates that a lack of effective competition (the presence of undertakings having significant power on the relevant market) means that the operator concerned might sustain prices at an excessively high level, or apply a price squeeze, to the detriment of endusers. In order to promote investments of the operators, including investment in expansion of electronic communications networks and development of technologies, when imposing obligations, the operator's right to receive a reasonable return on investments estimated after the assessment of the risk of new investments in expansion of electronic communications networks and development of technologies. 2. Established cost recovery mechanism and/or pricing methodology must promote efficiency and long-term competition and maximise consumer benefits. In this regard the Communications Regulatory Authority may take account of prices available in comparable competitive markets. 3. Where an operator has an obligation for cost orientation of prices, the burden of proof that prices are cost-oriented taking into account a reasonable rate of return on 38