1. Auctioneers, auction platforms and the competent national authorities supervising them shall, upon request, provide the auction monitor with any information in their possession relating to the auctions, as is reasonably required for the carrying out of the auction monitor's functions.
2. The auction monitor shall be entitled to observe the conduct of the auctions.
3. Auctioneers, auction platforms and the competent national authorities supervising them shall assist the auction monitor in fulfilling its functions by actively cooperating with the auction monitor each within their own remit.
4. The competent national authorities supervising credit institutions and investment firms and the competent national authorities supervising persons authorised to submit bids on behalf of others pursuant to Article 18(2) shall assist the auction monitor in fulfilling its functions by actively cooperating with the auction monitor within their competence.
5. The obligations imposed on the competent national authorities in paragraphs 1, 3 and 4 shall take into account professional secrecy considerations to which they are subject under Union law.