2. Where, on the territory of a Member State, one or multiple producer responsibility organisations are authorised to fulfil extended producer responsibility obligations on behalf of producers, the Member State shall ensure that the producer responsibility organisation or organisations and producers that have not entrusted the carrying out of the extended producer responsibility obligations to a producer responsibility organisation, when taken together, cover the whole territory of the Member State as regards the activities in accordance with Article 47(3) and Articles 48 and 50. Member States shall appoint an independent third party to oversee the carrying out of the extended producer responsibility obligations by the producer responsibility organisations in a coordinated manner or shall entrust such oversight to the competent authority.