In this configuration activity you are able to define duplicate checks based on company code level. Those checks are related to company code, reference and document date fields.
IMG Path: Materials Management -> Logistics Invoice Verification -> Incoming Invoice -> Set Check for Duplicate Invoices
Table: T169P, T001
When you enter into the transaction if your company code is not displayed you have to add it by the “New Entries” button.
Maintain your checks according to your requirements.