Create Accounting Business Unit Wise

Summary:

We have a requirement where user runs Create Accounting for Subledger then accounting for different BU should be under different Journal Batch. Let's say we have 2 business unit in one ledger. Now user from BU 1 is running Create Accounting for unposted invoices in Payables then it will account unposted invoices from BU 2 as well and for invoices from both the BU will be having same Journal batch. Now we have a requirement that user from BU 1 is running accounting then it should pick invoices only from BU 1. Is there anyway that we should group, posting