The occurrence of any of the following events: (a) any Loan Party or ERISA Affiliate fails to make full payment when due of all amounts which any Loan Party 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 a Material Adverse Effect, (b) an accumulated funding deficiency or funding shortfall occurs or exists, whether or not waived, with respect to any Pension Plan, individually or in the aggregate of any Loan Party, and such deficiency or shortfall could reasonably be expected to result in a Material Adverse Effect, (c) a Notification Event, which could reasonably be expected to result in a Material Adverse Effect, or (d) any Loan Party or ERISA Affiliate completely or partially withdraws from one or more Multiemployer Plans, and such withdrawal could reasonably be expected to result in a Material Adverse Effect.