Article 2
1. Organisers shall ensure that their individual online collection system complies with the technical specifications set out in the Annex throughout the collection period. 2. The organisers shall notify without undue delay to the competent authority of the Member State referred to in Article 11(3) of Regulation (EU) 2019/788, changes which are introduced in the system or in the supporting organisational measures after the system has been certified by that authority, when those changes may impact the assessment underlying the certification. Before doing so, the organisers may seek the advice of the competent authority as to whether the change may have such an impact.