1. All establishments or undertakings referred to in Articles 9 and 10 shall:
((a))
keep a record of the quantity, nature, origin and, where relevant, the destination, frequency of collection, mode of transport and treatment method in respect of the waste referred to in Annex I and the operations referred to in Annex II A or II B;
((b))
make this information available, on request, to the competent authorities referred to in Article 6.
2. Member States may also require producers to comply with the provisions of paragraph 1.