1. The clearing system or settlement system shall allocate each allowance auctioned by a Member State to a successful bidder, until the total volume allocated matches the volume of allowances notified to the bidder pursuant to Article 61(3)(a).
A bidder may be allocated allowances from more than one Member State auctioning in the same auction if necessary to make up the volume of allowances notified to the bidder pursuant to Article 61(3)(a).
2. Upon payment of the sum due, pursuant to Article 44(1), each successful bidder or its successors in title shall be delivered the allowances allocated to that bidder, as soon as practicable and in any event no later than the deadline for their delivery by transferring the allowances notified to the bidder pursuant to Article 61(3)(a) from a nominated holding account held in escrow by the clearing system or settlement system acting as custodian, in whole or in part into one or more nominated holding accounts held by the successful bidder or