PO - Bill Increase Stock But Item "Not Received"

PO - Bill Increase Stock But Item "Not Received"

Hello,

we issued a PO from our Head Office (all purchases for branches done here) which was converted to a Bill that was saved as Open (our stock is set to increase/decrease based on invoice/bill). The stock in Head Office increased, we transferred the stock to a branch but the PO was still open because we had not marked the stock as "Received".

If the bill was saved as open and the stock increased, why should we still have to mark as received, shouldn't it be automatic?

Thank you