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Accounts Payable & Receivable › Purchase Orders & 3-Way Matching

How are partial deliveries and partial invoices matched against a PO?

Intermediate

Answer

A PO can be received and invoiced in multiple tranches. Each goods receipt and invoice matches against the open (un-received/un-invoiced) PO quantity, drawing it down over time. The system tracks cumulative received and invoiced amounts so total invoiced never exceeds total received and ordered.
PO 100 units. Delivery 1: 60 (GRN + invoice 60). Delivery 2: 40.
Each invoice matches the received tranche; PO closes at 100 total.
Real-world example A blanket PO for 1,000 units is drawn down across monthly deliveries, each matched to its own receipt and invoice.

Common follow-ups: What is a blanket PO? | How does the system prevent over-invoicing?