The HETS Operator shall issue Participants and Participants Subject to Deletion with the necessary supporting invoice statements based on the results of Non-Compliance Charge Settlements for each month M, in accordance with 12 paragraph 2(c) and paragraph 3(c) of this Rulebook. The documents shall become overdue five (5) calendar days after the expiry of the deadline for their issue.

In the event that a Participant or a Participant subject to Deletion defaults on its cash obligations for non-Compliance Charges, the HETS Operator shall take any action needed to collect the due payment with interest.

Unless it is part of its responsibilities under this Article, the HETS Operator shall not be liable to the Participants, the Clearing Members or the Clearing House for covering any deficit in the non-Compliance Charges Account that is created due to a defaulting Participant or Participant subject to Deletion.