Multiple BUs under Same Ledger - Statement Reconciliation with Supplier & Customers Payments

Summary:

We have a requirement to reconcile the Bank statement with Suppliers and Customers Payment for Multiple BUs where Bank Account is shared by both BUs and looking the solution how to handle the requirement efficiently. Bank is going to send us the Lockbox file for both BUs Payment also we would like to make a single supplier payment for both BUs (Both BUs are under the same ledger). I believe service provider BU will record the Customer Payment, Supplier Payment and knock off the open balances for suppliers and customers in respective BUs but How it is going to work