Invoices must go through an approval workflow prior to being paid. This tool will help you navigate that workflow. Current Invoice Submitted Conditions to Require Approval Approvals Feedback Invoices go through a specific workflow. Invoice Submitted How was the invoice submitted? The vendor entered the invoice directly in BuyWays. The vendor sent the invoice to UPST. UPST must first enter the invoice manually into BuyWays before checking to see if it meets any of the conditions that require approval. The invoice must be checked to see if it meets any of the conditions that require approval. Continue Leave this field blank