Relevant Background Information
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Company A just acquired stock of Company B.
Company B just acquired stock of Company C.
Both events happenned in the last month.
A, B & C all maintained Qualified 401k plans.
Company B has elected to wait the maximum time allowed to merge plan with Company A.

Specific Question
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What are our options with the plan for Company C?
Can we terminate it?
Can we merge it with B's plan prior to merging them all with A?
Thanks!!

What if I add that Company B's plan states that the employees of any Affiliated Employer will not be eligible for the plan until that Affiliated Employer adopts the plan? Does that remove any Successor plan issues so that Company C can terminate their plan?