How to restrict users in a Business Unit to view/access the Invoices from different Companies under

Summary

A Legal entity contains 5 companies under it, a BU is assigned to that LE. The invoices are created for each company in that BU and accountants are assigned to each company and need to be restricted

Content

A Legal entity contains 5 companies under it, a BU is assigned to that LE. The invoices are created for each company in that BU and accountants are assigned to each company and need to be restricted based on company segment.

 

Requirement is user should be able to view/create invoices under only some segments and not all.

 

PS: Ihave created a BSV security rule but that doesn't resolve the view invoices by company code issue.