120As the Commission has argued, it is indeed for the merged entity requesting a waiver of commitments to provide evidence showing that the conditions for waiving the commitments are fulfilled and the Commission cannot be required to carry out a new market investigation for each waiver request. However, the Commission has investigating powers and effective investigative tools and, if it considered that the evidence put forward by the parties was not sufficiently reliable or relevant or that it needed to be supplemented by other information, it was its responsibility to require more specific information or to carry out an investigation in that regard. That is a fortiori the case given that, in its response of 20 November 2015, Lufthansa had already stressed that the Commission could not simply content itself with claiming that ‘the actual degree of price competition on the two routes … can be left open’.