1. The national competent authority of a Member State where the majority of contributors is located may designate one or more replacements for a benchmark as referred to in point (b) of Article 20(1), provided that any of the following events has occurred:

(a) the competent authority for the administrator of that benchmark has issued a public statement, or has published information, in which it is announced that that benchmark no longer reflects the underlying market or economic reality; the competent authority shall make such an announcement only where, following the exercise of the powers set out in Article 23, the benchmark still does not reflect the underlying market or economic reality;