(a) the administrator makes available the complaints-handling policy through which complaints may be submitted on whether a specific benchmark determination is representative of market value, on a proposed change to the benchmark determination process, on an application of the methodology in relation to a specific benchmark determination, and on other decisions in relation to the benchmark determination process;

(b) complaints are investigated in a timely and fair manner and the outcome of the investigation is communicated to the complainant within a reasonable period of time, unless such communication would be contrary to objectives of public policy or to Regulation (EU) No 596/2014; and

(c) the inquiry is conducted independently of any personnel who may be or may have been involved in the subject-matter of the complaint.