Sale of a legal entity sharing an asset book with other legal entities

Summary:

We are using an asset book which is connected to a ledger with multiple legal entities. Some of the legal entities have assets in the asset book. One of the legal entities which has assets has been completely divested (not just assets, but the whole company is no longer owned by the parent company which is using Oracle). The chart of account values for legal entity (company) and cost centers are not active so no accounting can happen. What is the best practice for the Fixed Assets in this case? Should depreciation be suspended permanently? Or change to a deprecation