How to obtain split of accounting transfer to secondary ledgers according LEs?

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Hi, I would like to ask you for an advice. We have client with following specific case. In Primary Ledger we have 9 LEs, but they want to transfer accounting of 1 LE in Separate “Secondary Ledger1” and all other 8 LEs to “Secondary Ledger2”.

Assignment Balancing Segment values to secondary ledger is inherited from Primary Ledger. Which means, there are all LEs assigned to both secondary ledgers.

Do you have any idea, or real example how to obtain split of accounting transfer to two separate secondary ledgers? Thank you in advance for any help.

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