1. The auction platforms appointed pursuant to Article 26(1) or (2) of this Regulation shall determine and publish the bidding windows, individual volumes and auction dates of the allowances covered by Chapter II of Directive 2003/87/EC to be auctioned in individual auctions for 2012, by 30 September 2011, or as soon as practicable thereafter, having previously consulted the Commission and obtained its opinion thereon. The auction platforms concerned shall take the utmost account of the Commission's opinion.
2. As from 2012, the auction platforms appointed pursuant to Article 26(1) or (2) of this Regulation shall determine and publish the bidding windows, individual volumes, auction dates as well as the auctioned product, payment and delivery dates of the allowances covered by Chapter II of Directive 2003/87/EC to be auctioned in individual auctions for each calendar year by 28 February of the previous year, or as soon as practicable thereafter, having previously consulted the Commission and obtained its opinion thereon. The auction platforms concerned shall take the utmost account of the Commission's opinion.
The bidding windows, individual volumes, auction dates as well as the auctioned product, payment and delivery dates of the allowances covered by Chapter II of Directive 2003/87/EC to be auctioned in individual auctions for the final year of each trading period, may be adjusted by the auction platform concerned to take account of allowances remaining in the special reserve referred to in Article 3f of that Directive.
3. The auction platforms appointed pursuant to Article 26(1) or (2) of this Regulation shall base their determinations and publications under paragraphs 1 and 2 on the Commission's decision adopted pursuant to Article 3e(3) of Directive 2003/87/EC.
4. The provisions on the calendar for individual auctions of allowances covered by Chapter II of Directive 2003/87/EC conducted by an auction platform other than the auction platforms appointed pursuant to Article 26(1) or (2) of this Regulation shall be determined and published pursuant to Article 32 of this Regulation.