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Purchase Order vs Invoice

7 Key Differences

Purchase orders and invoices may be hard to differentiate, especially if you are new in the procurement industry. 

For this article, we will help you know the difference between a purchase order and an invoice. But first, we will tell you the definition and importance of both terms in the field of procurement. 

Once you have finished reading this article, you will be able to differentiate the two terms which will help you in your journey in the industry. So without further ado, let us now start!

What is a Purchase Order? 

A purchase order is a request or form detailing a company or organization’s intention to buy or procure products or services. 

The order can be in the form of a written request or through a digital form submitted to a supplier. The purchase order is written in great detail and should follow a process that is defined by the company’s procurement team. 

This is important because, as mentioned earlier, any delays in the purchasing order are disastrous for a company.

If your company depends on the daily procurement of materials or services, any delay will cause interruptions in the daily operations of your company or organization. 

For example, a printing company that is unable to buy printing materials because there are delays with the purchase order will have its operations hampered until the supplies are bought immediately.

The Purpose ofa Purchase Order

Purchase orders provide clarity and accuracy in business transactions. A purchase order clearly specifies the details of the purchase, such as the quantity, description, and price, ensuring there are no misunderstandings between the buyer and the seller.

Also, purchase orders play a crucial role in budget control. By requiring a purchase order, businesses can enforce a pre-approval process, ensuring that purchases align with their budgetary guidelines. This helps prevent unauthorized or unplanned spending, allowing for better financial management.

Furthermore, purchase orders contribute to efficient inventory management. They provide a clear record of the items to be received, allowing businesses to track their inventory accurately. This helps in planning and prevents situations like running out of stock or overstocking, optimizing the supply chain management process.

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What is an Invoice? 

An invoice is a formal payment request sent by a seller to their customers once an order has been completed. It provides a detailed list of the goods or services that have been delivered and specifies the amount of money that needs to be paid. To simplify, an invoice is like a bill that tells the buyer how much they owe to the seller.

Usually, an invoice includes essential details such as the invoice number, seller’s information, any credits or discounts applied, the payment schedule or due date, and the total amount owed.

What is its Purpose?

The purpose of an invoice is to serve as an official document that requests payment from a buyer for the goods or services provided by a seller. Its primary function is to communicate the amount owed by the buyer. 

By providing a detailed breakdown of the goods or services delivered and their corresponding costs, an invoice ensures clarity and transparency in the payment process.

An invoice also serves as a record of the transaction between the buyer and the seller. It captures important details such as the invoice number, transaction date, and description of the items or services rendered. 

This documentation not only helps businesses maintain accurate financial records but also provides evidence that the agreed-upon goods or services were indeed provided.

Furthermore, invoices often include payment terms and conditions. These terms specify the due date, accepted payment methods, and any applicable discounts or penalties for late payment. 

By establishing clear expectations regarding payment, invoices help streamline the payment process and ensure a smooth transaction between the buyer and the seller. Thus, it also makes the relationship of the parties stronger. 

The 7 Key Differences Between Purchase Orders and Invoices

Purchase Orders
Purchase orders are sent by the buyer to the seller for approval.
A purchase order is issued before the goods or services are provided.
A purchase order is legally binding on the part of the buyer.
Purchase orders are usually required to undergo approval before they are issued.
A purchase order may specify general payment terms.
A purchase order provides details of what is being purchased, including quantity, description, and agreed-upon price.
Purchase orders do not confirm the delivery of goods or services.
Invoices
Invoices are payment requests sent by the seller to the buyer.
Invoices are issued after the delivery of goods or completion of services.
The invoice is legally binding on the part of the seller.
The issuance of invoices is not subject to internal approvals.
Invoices are more detailed when it comes to specifying the payment terms.
An invoice provides details of what has been delivered, including quantity, description, unit price, and total amount due.
Invoices may serve as proof of delivery, as they are generated after the delivery has taken place.

Frequentlyasked questions

+ What is a purchase order?

        It is a request or form detailing a company or organization’s intention to buy or procure products or services.

        + What is an invoice?

            It is a formal payment request sent by a seller to their customers once an order has been completed.

            +What is the primary difference between a purchase order and an invoice?

                  The primary difference between a purchase order and an invoice is that a purchase order is a request to buy goods or services, while an invoice is a request for payment after the goods or services have been delivered.

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