29Secondly, Article 7 of Access Directive refers, from among the obligations that were in force prior to the date of entry into force of that directive and which the Member States are to maintain, first, to Article 4 of Directive 97/33, which directly creates obligations on operators, and second, to Articles 6, 7, 8, 11, 12 and 14 of Directive 97/33, Article 16 of Directive 98/10 and Articles 7 and 8 of Directive 92/44, which delegate implementation of the abovementioned provisions to the Member States, to be carried out either by the State authorities or by the national regulatory authorities.
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