for such complete withdrawal from such Multiemployer Plan (within the meaning of [Section 4203] of ERISA), when aggregated with such potential liability for such complete withdrawal from all such Multiemployer Plans with respect to which a complete withdrawal is reasonably expected to occur, could not reasonably be expected to have a Material Adverse Effect;

withdraw (completely or partially) from any Multiemployer Plan or withdraw (or be deemed under [Section 4062(e)] of ERISA to withdraw) from any Multiple Employer Plan, where any such withdrawal would result in a Material Adverse Effect;