1. The European Parliament and the Council, acting on a proposal from the Commission and on the basis of Articles 57(2), 66 and 100a of the Treaty, shall adopt the measures necessary for the harmonisation of the procedures referred to in Article 9 governing the commercial provision to the public of non-reserved postal services.
2. The harmonisation measures referred to in paragraph 1 shall concern, in particular, the criteria to be observed and the procedures to be followed by the postal operator, the manner of publication of those criteria and procedures, as well as the appeal procedures to be followed.