The occurrence of any of the following events: (a) Parent or any Restricted Subsidiary or any ERISA Affiliate fails to make full payment when due of all amounts which any Loan Party, Restricted Subsidiary, or ERISA Affiliate is required to pay as contributions, installments, or otherwise to or with respect to a Pension Plan or Multiemployer Plan, and such failure could reasonably be expected to result in liability to Parent or to any Restricted Subsidiary in excess of $10,000,000, (b) a Notification Event, which could reasonably be expected to result in liability to Parent or to any Restricted Subsidiary in excess of $10,000,000, either individually or in the aggregate, or (c) any Loan Party or Restricted Subsidiary, or ERISA Affiliate completely or partially withdraws from one or more Multiemployer Plans and incurs Withdrawal Liability in excess of $10,000,000 that is payable during any 12-month period, or fails to make any Withdrawal Liability payment in excess of $10,000,000 when due.