PIM Data Security Model - Same Item/s Restricted between Inv Orgs using same Item Class

Summary:

Our customer needs to secure same item/s in order to make them managed and visible only for those users that works in a specific BU (Inventory Orgs related to a specific BU).

Content (please ensure you mask any confidential information):

The items are managed in each BU (Inventory Orgs related to a specific BU), and visible only for those users that works in that specific BU (Inventory Orgs related to a specific BU). In case of an item needs to be shared across BUs (Inventory Orgs related to a BUs in question), that particular user will be granted with the correct combination of role and /or data security policy as needed.