Regulation 10 Adjustments of the auction calendarI1

failure to sell all allowances at a preceding auction;

the calculation of the annual volume of allowances in accordance with regulation 9;

F2the cancellation, or a change to the date or time of the opening or close of the bidding window, of an auction pursuant to regulation 11;

any settlement failure referred to in regulation 28(5);

allowances remaining in the new entrants reserve provided for in article 34G of the Trading Scheme Order F3or in the flexible reserve provided for in article 23A of that Order;

any measures authorised under regulation 12;

any withholding of allowances where it is not possible to hold an auction pursuant to regulation 20(5);

the necessity for an auction platform to avoid conducting an auction in breach of these Regulations or the Trading Scheme Order;

the addition of an activity to article 16(2) of the Trading Scheme Order.