What Is the Differences Between Purchase Order vs Invoice?

What are the differences between the purchase order vs invoice? In general, they are two essential documents in the procurement process that businesses must understand. In this article, Viindoo will explore the difference between a purchase order and an invoice, their importance, and how they work together to ensure a smooth procurement process.

Understating of Purchase Order vs Invoice

What is a Purchase Order?

A purchase order (PO) is a legally binding document that a buyer sends to a supplier to initiate a purchase. The PO contains the details of the purchase, such as the quantity, description, and price of the goods or services ordered, delivery date, payment terms, and other terms and conditions of the transaction. Once the supplier accepts the PO, it becomes a contract between the buyer and supplier.

What is an Invoice?

An invoice is a document that the supplier sends to the buyer to request payment for goods or services provided. The invoice includes the details of the purchase, such as the quantity, description, and price of the goods or services provided, payment terms, and any applicable taxes or fees. The invoice serves as a record of the transaction and enables the buyer to track their purchases and payments.

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Key Differences Between Purchase Order vs Invoice

The purchase order vs invoice differs in several ways:


purchase order vs invoice

It is important to know what is the difference between purchase order and invoice

Purpose: Request vs. Payment

A purchase order is a request to purchase goods or services. It is an internal document used by the buyer to communicate to the supplier the specifics of the order, such as the items, quantity, delivery date, and payment terms. On the other hand, an invoice is a request for payment for goods or services that have already been provided. It is an external document issued by the supplier to the buyer, requesting payment for the goods or services provided.

Timing: Before vs. After Delivery

Purchase orders are created before goods or services are received. They serve as a contract between the buyer and the supplier, outlining the terms of the transaction. Invoices, on the other hand, are created after goods or services are provided. They indicate the payment due to the supplier for the goods or services provided.

Legally Binding: Contractual Obligation vs. Payment Request

A purchase order becomes a legally binding contract once accepted by the supplier. Both parties are obligated to fulfill the terms outlined in the purchase order. On the other hand, an invoice is a request for payment that does not create a contractual obligation. It is an external document requesting payment for the goods or services provided.

Details: Specifics of the Order vs. Details of Goods/Services Provided

Purchase orders contain the details of the purchase, including the items, quantity, delivery date, payment terms, and any other specific instructions. On the other hand, an invoice contains the details of the goods or services provided, including the quantity, unit price, total price, and payment due date. 

purchase order vs invoice

The two documents differ in their purpose, timing, legal status, and details 

How Purchase Orders and Invoices Work Together

A purchase order vs invoice can be different. However, they work together to ensure a smooth procurement process. The purchase order initiates the transaction, providing the details of the purchase, while the invoice requests payment for goods or services provided. Once the buyer receives the invoice, they can match it to the purchase order to ensure that they are paying for the correct goods or services and that the payment due matches the agreed-upon terms and conditions. This process helps to avoid payment errors, delays, or disputes.

Why do companies need both purchase orders and invoices?

Purchase orders and invoices are vital to ensure a smooth and efficient procurement transaction. This section provides information about the importance of purchase order and invoice in more detail.

difference between purchase order vs invoice

Purchase orders and invoices help ensure a smooth and efficient procurement transaction

Clear Communication and Record Keeping

Purchase orders and invoices help ensure clear communication and record-keeping between buyers and suppliers. A purchase order outlines the specific details of the purchase, such as the quantity, description, and price of the goods or services ordered, as well as the delivery date, payment terms, and other terms and conditions of the transaction. This information is crucial in ensuring that both parties understand the specifics of the transaction and can avoid misunderstandings or disputes.

Invoices serve as a record of the transaction and enable the buyer to track their purchases and payments. Invoices provide details of the goods or services provided, payment terms, and any applicable taxes or fees. Bill managerment are also important for financial record-keeping and compliance purposes. By maintaining clear and concise records of transactions through the purchase order and invoice, businesses can streamline their procurement process and avoid potential errors or disputes.

Building Strong Supplier Relationships

Another key importance of purchase orders and invoices is that they help businesses build stronger supplier relationships. Clear and concise communication through invoices and purchase orders can help build trust between buyers and suppliers. By outlining the specifics of the transaction and pre-negotiating the terms and conditions, both parties can develop a better understanding of each other's needs and expectations. This can lead to a more collaborative and productive relationship, with both parties working towards a common goal of mutual benefit.

Efficient Payment Processing​

Efficient payment processing is another crucial aspect of the procurement process that purchase orders and invoices help facilitate. Purchase orders ensure that the buyer knows the exact cost of the goods or services they are purchasing, including any taxes or fees. Invoices then serve as a request for payment for the goods or services already provided. By providing clear and concise records of the transaction, these documents help ensure that payments are processed accurately and efficiently.

Why take purchase orders and invoice management digital

Initially, when a business is small and makes only a few purchases, it is manageable to handle purchase orders and invoices manually. However, as the organization grows, the number of purchases also increases. Even if you have a good understanding of the similarities and differences between purchase orders and invoices, it becomes challenging to handle them effectively.

As businesses receive numerous purchase orders and invoices through various channels like email, fax, or mail, manually managing them becomes time-consuming and prone to errors. Each small piece of data is crucial for maintaining an efficient process.

Not all businesses can afford a complex electronic data interchange (EDI) system with their suppliers. To avoid losing valuable data from purchase orders and invoices, organizations can turn to procurement solutions like Kissflow Procurement Cloud. By utilizing such a tool, businesses of all sizes can streamline their procurement processes, including purchase order and invoice management, through a dedicated system designed to enhance speed and efficiency in these core procurement functions.

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FAQs​

Use a purchase order when initiating a purchase request or placing an order. Use an invoice to request payment for goods/services already provided.

No, a purchase order cannot serve as an invoice, and vice versa. They serve distinct purposes in the procurement and payment processes.

A purchase order initiates the transaction by specifying the requested goods/services, while an invoice finalizes the transaction by requesting payment for the delivered goods/services.

Changes to a purchase order or an invoice may be necessary in certain situations. It is important to communicate any changes promptly and update the relevant documents accordingly.

In conclusion, both purchase orders and invoices are crucial for ensuring a smooth procurement process. They work together to provide clear and concise records of the transaction. By understanding the differences between the purchase order vs invoice and their importance, businesses can optimize their procurement processes, build stronger supplier relationships, and achieve long-term success. Hope the above article of Viindoo has helped you better understand.

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What Is the Differences Between Purchase Order vs Invoice?
Viindoo Technology Joint Stock Company, Trinh Thi Ngoc Anh April 26, 2023

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