applicant authority — the competent authority that makes a request for mutual assistance (f)

collective interests of consumers — the interests of a number of consumers that have been harmed or are likely to be harmed by an infringement (k)

competent authority — any public authority established either at national, regional or local level with specific responsibilities to enforce the laws that protect consumers' interests (c)

competent official — an official of a competent authority designated as responsible for the application of this Regulation (e)

consumer complaint — a statement, supported by reasonable evidence, that a seller or supplier has committed, or is likely to commit, an infringement of the laws that protect consumers' interests (j)

intra-Community infringement — any act or omission contrary to the laws that protect consumers' interests, as defined in (a), that harms, or is likely to harm, the collective interests of consumers residing in a Member State or Member States other than the Member State where the act or omission originated or took place; or where the responsible seller or supplier is established; or where evidence or assets pertaining to the act or omission are to be found (b)

laws that protect consumers' interests — the Directives as transposed into the internal legal order of the Member States and the Regulations listed in the Annex (a)

market surveillance activities — the actions of a competent authority designed to detect whether intra-Community infringements have taken place within its territory (i)

requested authority — the competent authority that receives a request for mutual assistance (g)

seller or supplier — any natural or legal person who, in respect of the laws that protect consumers' interests, is acting for purposes relating to his trade, business, craft or profession (h)

single liaison office — the public authority in each Member State designated as responsible for coordinating the application of this Regulation within that Member State (d)