(A) Upon the occurrence of a Reportable Event, such that the Seller or any ERISA Affiliate is required to file a report or notice with the Internal Revenue Service, the Pension Benefit Guaranty Corporation or the U.S. Department of Labor, that could result in the imposition of liability on the Seller and/or any such Affiliate, (B) upon the receipt of notice of a filing of a report or notice of a Reportable Event from any of the foregoing entities or a Multiemployer Plan that could result in the imposition of liability on the Seller and/or any such Affiliate, (C) upon the withdrawal by either the Seller or any ERISA Affiliate from a Multiemployer Plan in either a complete withdrawal or a partial withdrawal that results in or is reasonably likely to result in the imposition of a liability with respect to the Seller and/or any such Affiliate, or (D) upon the claim of a Multiemployer Plan against the Seller or any ERISA Affiliate with respect to a failure of Seller or any ERISA Affiliate to make contributions to such Multiemployer Plan.