Article 55 4

(a)

to cooperate and develop technically feasible options in order to remove the recognised restriction;

(b)

jointly to carry out a cost-benefit analysis on the technically feasible options to define economically efficient solutions which shall specify the breakdown of costs and benefits among the categories of affected parties;

(c)

to produce an estimate of the implementation time for each potential option;

(d)

to conduct a public consultation on identified feasible solutions and take into consideration the results of that consultation;

(e)

to submit a joint proposal, on the basis of the cost-benefit analysis and results of the public consultation, for a solution removing the recognised restriction, including the timeframe for its implementation, to their regulatory authorities concerned for approval and to the other competent national authorities of each Member State concerned for information.