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3-way match

 

In layman's terms, think of the 3-Way Match as the "Three-Key Security Lock" for every dollar your company spends.

The "Three-Key Lock" Analogy

Imagine you are the CEO. You don't want to pay for something unless you are 100% sure it is legitimate. To release the payment, you require three specific keys:

  1. Key 1: The Purchase Order (The Promise)

    • This is you saying, "I authorized the purchase of 100 laptops at $500 each."

    • Significance: It proves you actually wanted the item and agreed to the price.

  2. Key 2: The GRN / Packing Slip (The Proof of Delivery)

    • This is your warehouse team saying, "We physically counted and inspected the 100 laptops you ordered."

    • Significance: It proves the items actually arrived and weren't damaged or lost in transit.

  3. Key 3: The Supplier Invoice (The Request for Money)

    • This is the supplier saying, "Please pay us $50,000 for those laptops."

    • Significance: It is the official bill.

Why does this matter to the CEO?

If you pay an invoice without all three keys matching, you are exposed to three major business risks:

  • Paying for "Ghost" Deliveries: If you skip Key 2 (the GRN), you might pay a bill for items that were never delivered, or were damaged, or were stolen before they reached your warehouse.

  • Overpaying/Billing Errors: If the supplier accidentally bills you for 110 laptops instead of 100, and you don't have a 3-way match, the error might slip through, and you lose money.

  • Fraud Prevention: A fake invoice from a scammer will never have a valid, authorized Purchase Order (Key 1) or a real receiving record from your warehouse (Key 2). The 3-way match catches these fakes immediately.

Why "Missing GRN" is a red flag on your dashboard

When your dashboard shows an invoice with a "Missing GRN," it is like seeing an invoice on your desk with no receipt attached. It’s a giant red light that says: "We are about to pay for something we haven't confirmed arrived yet."

In short: The 3-way match and the GRN are your company’s "financial brakes." They ensure that no money leaves the company unless there is ironclad proof that the goods were authorized, arrived safely, and are billed correctly.

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