Intercompany balancing rule for same entity in Cash Management Bank Transfer

Summary:

My cash management has bank transfer from one bank to another within the same entity. When doing this an offset account is needed which is picked from intercompany balancing rules.
When transferring from one bank account to another of the same entity, the combination generated has same company and intercompany value.

the combination should not be:
Company --------------Intercompany
PT1---------------------PT1

And it should be when we're transferring amount in bank accounts from the same entity.
PT1--------------------000

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