Your client wants to utilize the subledger field to track costs in their general ledger.

Subledger transactions post to different object accounts rather than the same accounts.

Subledger transactions create additional records in the Account Master table.

Transactions with subledgers create additional records in the Account. Balance table when the posting edit code is set to do so.

Subledger accounts are always a permanent part of your chart of accounts.

Transactions with subledger always create additional records in the Account Balance table.