A benchmark methodology as referred to in Article 12(1), point (b), of Regulation (EU) 2016/1011 shall specify all of the following:
the step of the calculation of the benchmark at which discretion is performed;
the criteria that are to be used when exercising the discretion;
the input data that are to be taken into account;
where applicable, a non-exhaustive list of the conditions under which:
transaction data in the underlying market are to be considered as not sufficient and the use of transaction data in related markets is needed;
applying the methodology does not yield a result and discretion has to be exercised in the determination of the benchmark;
the type of related markets that are to be considered appropriate for the purposes of point (d)(i).