Procurement 101The Purchase Order to Invoice Process in a Nutshell

Last Updated: 10 March, 2020

Once upon a time, purchase orders (POs) were manually written or typed on carbon paper, creating three copies – one for the vendor, one for the accounts payable department and one to keep on departmental file. Once the purchase order had been fulfilled by the vendor, they would send in their invoice for payment. This invoice would then need to be married up with the associated PO and approved for payment.

It was not unusual for the purchase order to invoice process to take weeks, and that’s only if the process worked as it should. Lost or illegible PO copies could cause huge delays in vendors getting paid and problematic paper trails that would cause issues for finance teams and auditors alike.

 

 

These were dark times for financial departments.

 

In today’s fast-paced connected world, a slow or archaic purchase order process could be crippling to your business, damage external business relationships and hamper your progress. In this article, we’ll take a look at the complete end-to-end process from purchase order to invoice and show you how to make the process as smooth and efficient as possible.

 

Why Are Purchase Orders Important?

Whether you are ordering goods from a supplier or procuring their services, the purchase order process will ensure that the buyer and supplier understand what has been agreed upon. For both buyer and supplier, the purchase order details exactly what has been ordered, the cost, delivery expectations, and payment terms. The journey of the PO from the moment it is created involves approval, dispatch, delivery of goods or services, invoicing, matching and closure.

Once approved by the business and accepted by the vendor, the PO becomes a legally binding document. POs provide clear instructions to the vendor and help buyers to maintain control of budgets and an accurate paper trail. Without POs in place, the agreement between buyer and supplier could become subject to dispute and open to misinterpretation.

 

Purchase Order Creation

The creation of a purchase order should consist of several approval and compliance checkpoints along the way. Most POs will be subject to the following steps:

Creation of the PO

A purchase order is raised detailing the nature of the goods or services ordered. The purchase order may include details supplied by the vendor, such as a quote number.

Purchase Order Review

Following budget alignment and approval, the purchase order is approved or rejected. Additional documentation or information may be required before approval is granted.

PO Dispatch

Once approved, the PO will be sent to the vendor over email, by post or through a third-party PO system used by vendor and buyer.

PO Acceptance

The vendor acknowledges and accepts the PO and the PO becomes a legally binding contract.

 

Delivery of the Goods or Services

The next stage in the process is the delivery of goods or services by the vendor. Depending on the mechanisms in place, you may need to prove that goods or services have been delivered satisfactorily and in accordance with the PO. For example, goods may need to be signed for or you may need to sign a client satisfaction document on completion of works. Once proof of signature or receipt has been received by the vendor, they will submit their invoice. This may be submitted electronically or through the postal system.

 

The Invoicing and Three-Way Matching Process

Once the invoice has been received by the vendor, it must undergo what is known as the three-way matching process.

 

 

This procedure ensures that payment is accurate and complete and ensures that any discrepancies are discovered before payment. This can help to avoid overspend or paying for items that were not received or for services that were not delivered satisfactorily.

Three documents are key to the three-way matching process. These include:

  • Purchase orders
  • Order receipts and/or packing slips
  • Invoices

Order receipts and packing slips are proof of payment and delivery. An order receipt will be supplied by the vendor during delivery and prove that the goods have been delivered to the buyer.

Before an invoice can be paid, it must go through a series of checks with the accounts payable department. This will include a review of quantities, prices, and terms to ensure that the vendor has fulfilled their contractual obligation according to the details of the purchase order. For small and recurring purchases, this process may not be required.

If any discrepancies are discovered, such as incorrect pricing, inaccurate quantities or damaged goods, the payment will not be processed until these issues are rectified. Once the invoice has passed the three-way matching process, the payment will be sent according to the vendor’s payment terms.

The three-way matching process saves businesses money by verifying data and highlighting problems before payment, optimizes vendor relationships, and can help you to get the seal of approval at audit time.

 

But What Happens if I Need Goods or Services Urgently?

Of course, there may be times when you cannot afford to wait for approval from multiple parties and need to bypass the PO process. In these cases, you would use a non-purchase order process instead. A non-purchase order is an order for goods or services that has not been through the standard purchase order verification and approval process. For example, if you need the services of an IT contractor urgently, you could get written or verbal approval quickly from higher up in the chain and use this agreement to raise a non-purchase order.

Of course, problems can arise with non-purchase orders, not least because of the lack of visibility and verification when it comes to invoice payment. A non-PO invoice can be harder to manage as there is no audit trail.

 

How a Manual Purchase Order and Invoicing Process Can Damage Your Business

Processing purchase orders and invoices manually can introduce some major pain points to your business including higher costs, inefficiencies, and poor budget control.

 

 

(You’re unlikely to find an invitation to Hogwarts amidst a flurry of financial records.)

 

 

The detriments of manual purchase order processes include:

  • Spikes in expenses
  • Lack of visibility
  • Cause delays in the PO processing cycle
  • Rely on human intervention and can be vulnerable to errors
  • Can create compliance issues and bottlenecks
  • May involve an endless loop of people and communication going back and forth

 

Final Thoughts

When it comes to procuring goods and services from external suppliers, you must have the right processes and procedures in place. Standardizing, maintaining and reviewing these processes can be made infinitely better by using purchase order management software that automates many processes and provides you with complete transparency and visibility.

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