1. Member States shall maintain all obligations relating to:
(a) retail tariffs for the provision of access to and use of the public telephone network, imposed under Article 17 of Directive 98/10/EC of the European Parliament and of the Council of 26 February 1998 on the application of open network provision (ONP) to voice telephony and on universal service for telecommunications in a competitive environment(14);
(b) carrier selection or pre-selection, imposed under Directive 97/33/EC of the European Parliament and of the Council of 30 June 1997 on interconnection in telecommunications with regard to ensuring universal service and interoperability through application of the principles of open network provision (ONP)(15);
(c) leased lines, imposed under Articles 3, 4, 6, 7, 8 and 10 of Directive 92/44/EEC,
until a review has been carried out and a determination made in accordance with the procedure in paragraph 3 of this Article.
2. The Commission shall indicate relevant markets for the obligations relating to retail markets in the initial recommendation on relevant product and service markets and the Decision identifying transnational markets to be adopted in accordance with Article 15 of Directive 2002/21/EC (Framework Directive).
3. Member States shall ensure that, as soon as possible after the entry into force of this Directive, and periodically thereafter, national regulatory authorities undertake a market analysis, in accordance with the procedure set out in Article 16 of Directive 2002/21/EC (Framework Directive) to determine whether to maintain, amend or withdraw the obligations relating to retail markets. Measures taken shall be subject to the procedure referred to in Article 7 of Directive 2002/21/EC (Framework Directive).