After becoming for profit from being non profit, need to associate old structure with new company. .

After becoming for profit from being non profit, need to associate old structure with new company. We need to have the new managed services company with new tax id associated with the existing balancing segment and operating unit. This is because most of the suppliers, and all of the fixed assets, to name two areas, all will be under the new managed services legal entity/tax id. How do I associate the original balancing segment and also the OU with the new LE? In the Accounting Setup Manager, it shows that you can end-date and then add