2. When adopting measures laying down the administrative and procedural rules referred to in Article 40(2), Member States shall establish the requirements and details of the authorisation procedure. Those requirements and details may differ for individual and collective fulfilment of the extended producer responsibility obligations. Member States shall also establish the modalities for verifying compliance, including the information to be provided by producers or producer responsibility organisations to that end. The authorisation procedure shall include requirements on the verification of the arrangements put in place to ensure compliance with the requirements laid down in paragraph 3 of this Article, and timeframes for that verification, which shall not exceed 18 weeks from the submission of a complete application dossier. That verification shall be carried out by a competent authority or an independent expert who shall issue a verification report on its result. The independent expert shall be independent of the competent authority and of the producer responsibility organisations or the producers authorised for individual fulfilment.