How to restrict another BU Expense Pools while creating Overheads in Costing

Summary:

We have 2 BU's and we are trying to create Overheads, Resources in the instance but while creating both BU's Expense pools are coming up in the LOV.

Setups we have:

Cost Org Relationship setups is at BU level for reference sets

Valuation Structure is at BU Level

Cost Elements are Common set

Manage Overhead Expense Pools are at BU Level.

Manage Business Unit - Common Set

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