1. In carrying out their tasks under this Directive, national regulatory authorities shall take the utmost account of the objectives set out in Article 3.

2. National regulatory authorities shall contribute to the development of the internal market by working with each other and with the Commission and BEREC, in a transparent manner, in order to ensure the consistent application, in all Member States, of this Directive. To this end, they shall, in particular, work with the Commission and BEREC to identify the types of instruments and remedies best suited to address particular types of situations in the market.

3. Except where otherwise provided in recommendations or guidelines adopted pursuant to Article 34 upon completion of the public consultation, if required under Article 23, where a national regulatory authority intends to take a measure which:

(a) falls within the scope of Article 61, 64, 67, 68 or 83; and

(b) would affect trade between Member States,