1. Each Member State shall provide, on its territory, for each supervisory authority to:

(a) monitor and enforce the application of the provisions adopted pursuant to this Directive and its implementing measures;

(b) promote public awareness and understanding of the risks, rules, safeguards and rights in relation to processing;

(c) advise, in accordance with Member State law, the national parliament, the government and other institutions and bodies on legislative and administrative measures relating to the protection of natural persons' rights and freedoms with regard to processing;

(d) promote the awareness of controllers and processors of their obligations under this Directive;

(e) upon request, provide information to any data subject concerning the exercise of their rights under this Directive and, if appropriate, cooperate with the supervisory authorities in other Member States to that end;

(f) deal with complaints lodged by a data subject, or by a body, organisation or association in accordance with Article 55, and investigate, to the extent appropriate, the subject-matter of the complaint and inform the complainant of the progress and the outcome of the investigation within a reasonable period, in particular if further investigation or coordination with another supervisory authority is necessary;