Purchase Order vs. Invoice: Know the Difference
By Shumaila Saeed || Updated on December 25, 2023
A Purchase Order (PO) is a buyer's formal request to a seller for goods or services, while an Invoice is the seller's request for payment for those goods or services.
Key Differences
A Purchase Order is a document issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services. In contrast, an Invoice is issued by the seller to the buyer, detailing the goods or services provided, and requesting payment.
Shumaila Saeed
Dec 15, 2023
The Purchase Order serves as an official offer and a legal document that binds the buyer to pay for the ordered goods or services. Conversely, the Invoice serves as a billing document, representing a legal claim for payment from the seller to the buyer.
Shumaila Saeed
Dec 15, 2023
The process begins with the Purchase Order, which starts the transaction and outlines the buyer's needs and terms. In response, the Invoice is generated after the transaction is completed, summarizing what the seller has provided and the amount due.
Shumaila Saeed
Dec 15, 2023
In terms of sequence, the Purchase Order precedes the Invoice in the buying process. The Purchase Order is the initial step, initiating the sales process, while the Invoice is the concluding step, closing the transaction with a payment request.
Shumaila Saeed
Dec 15, 2023
The Purchase Order protects the buyer, specifying the exact nature of the goods or services and the price agreed upon, whereas the Invoice protects the seller, ensuring they are paid for their goods or services as per the agreement.
Shumaila Saeed
Dec 15, 2023
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Comparison Chart
Definition
Buyer's formal request for goods/services
Seller's request for payment
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Dec 15, 2023
Sequence in Transaction
Precedes delivery of goods/services
Follows delivery of goods/services
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Dec 15, 2023
Legal Implication
Indicates intent to buy and terms
Indicates delivery and payment terms
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Dec 15, 2023
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Purchase Order and Invoice Definitions
Purchase Order
A pre-contractual document in a buying process.
Upon receiving the Purchase Order, we started production.
Shumaila Saeed
Dec 01, 2023
Invoice
A statement of the amount due for goods or services.
The Invoice showed a total due of $5000.
Shumaila Saeed
Dec 01, 2023
Purchase Order
A document indicating a buyer's intent to purchase goods or services.
The company issued a Purchase Order for 100 laptops.
Shumaila Saeed
Dec 01, 2023
Invoice
A document requesting payment for goods or services provided.
The Invoice listed all the items delivered last week.
Shumaila Saeed
Dec 01, 2023
Purchase Order
A request from a buyer to a seller to supply goods or services.
They sent a Purchase Order for our latest software package.
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Dec 01, 2023
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Invoice
A record of a transaction sent to a buyer.
I sent an Invoice immediately after shipping the order.
Shumaila Saeed
Dec 01, 2023
Purchase Order
A binding agreement specifying the items and prices for a transaction.
The Purchase Order we received outlines the prices for each unit.
Shumaila Saeed
Dec 01, 2023
Invoice
A financial claim by a seller against a buyer.
The monthly Invoice includes charges for maintenance services.
Shumaila Saeed
Dec 01, 2023
Purchase Order
A formal offer to buy products at specified terms.
Our Purchase Order specifies delivery within 30 days.
Shumaila Saeed
Dec 01, 2023
Invoice
A seller's bill for the sale of goods or services.
We received an Invoice for the consulting services.
Shumaila Saeed
Dec 01, 2023
Invoice
A detailed list of goods shipped or services rendered, with an account of all costs; an itemized bill.
Shumaila Saeed
Dec 01, 2023
Invoice
A bill; a commercial document issued by a seller to a buyer indicating the products, quantities and agreed prices for products or services that the seller has already provided the buyer with. An invoice indicates that, unless paid in advance, payment is due by the buyer to the seller, according to the agreed terms.
Shumaila Saeed
Dec 01, 2023
Invoice
The lot or set of goods as shipped or received.
The merchant receives a large invoice of goods.
Shumaila Saeed
Dec 01, 2023
Invoice
The price which a seller or dealer pays the manufacturer for goods to be sold.
Shumaila Saeed
Dec 01, 2023
Invoice
(transitive) To bill; to issue an invoice to.
I will invoice my supplier tomorrow.
Shumaila Saeed
Dec 01, 2023
Invoice
A written account of the particulars of merchandise shipped or sent to a purchaser, consignee, factor, etc., with the value or prices and charges annexed.
Shumaila Saeed
Dec 01, 2023
Invoice
The lot or set of goods as shipped or received; as, the merchant receives a large invoice of goods.
Shumaila Saeed
Dec 01, 2023
Invoice
To make a written list or account of, as goods to be sent to a consignee; to insert in a priced list; to write or enter in an invoice.
Goods, wares, and merchandise imported from Norway, and invoiced in the current dollar of Norway.
Shumaila Saeed
Dec 01, 2023
Invoice
An itemized statement of money owed for goods shipped or services rendered;
He paid his bill and left
Send me an account of what I owe
Shumaila Saeed
Dec 01, 2023
Repeatedly Asked Queries
What is a Purchase Order?
A Purchase Order is a buyer's formal request to purchase goods or services.
Shumaila Saeed
Dec 15, 2023
When should an Invoice be issued?
An Invoice is issued after the goods or services have been delivered.
Shumaila Saeed
Dec 15, 2023
How are Invoices paid?
Invoices are paid according to the terms specified, usually by bank transfer or cheque.
Shumaila Saeed
Dec 15, 2023
What does an Invoice entail?
An Invoice is a document from the seller requesting payment for goods or services.
Shumaila Saeed
Dec 15, 2023
When is a Purchase Order used?
A Purchase Order is used when a buyer intends to purchase goods or services.
Shumaila Saeed
Dec 15, 2023
Is a Purchase Order legally binding?
Yes, a Purchase Order is a legally binding document once accepted by the seller.
Shumaila Saeed
Dec 15, 2023
Do Purchase Orders specify delivery dates?
Typically, Purchase Orders include specified delivery dates.
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Dec 15, 2023
What details are included in an Invoice?
Invoices include details such as amounts, descriptions of goods/services, and payment terms.
Shumaila Saeed
Dec 15, 2023
Can a Purchase Order be canceled?
Yes, but it often requires agreement from both parties.
Shumaila Saeed
Dec 15, 2023
How does an Invoice help in accounting?
Invoices are essential for maintaining financial records and tracking sales.
Shumaila Saeed
Dec 15, 2023
What happens if an Invoice is not paid?
Non-payment of an Invoice can lead to legal action or penalties.
Shumaila Saeed
Dec 15, 2023
What legal weight does an Invoice carry?
An Invoice represents a legal claim for payment for delivered goods or services.
Shumaila Saeed
Dec 15, 2023
Can Purchase Orders be modified?
Yes, but modifications must be agreed upon by both buyer and seller.
Shumaila Saeed
Dec 15, 2023
What information is required on a Purchase Order?
Information like quantities, prices, product descriptions, and buyer and seller details.
Shumaila Saeed
Dec 15, 2023
Are digital Invoices valid?
Yes, digital Invoices are legally valid and widely used.
Shumaila Saeed
Dec 15, 2023
Can Purchase Orders be automated?
Yes, many companies use software to automate Purchase Order creation.
Shumaila Saeed
Dec 15, 2023
Are Purchase Orders necessary for all transactions?
Not always, but they are recommended for clarity and legal protection.
Shumaila Saeed
Dec 15, 2023
What is the significance of an Invoice number?
An Invoice number uniquely identifies each Invoice for tracking and reference.
Shumaila Saeed
Dec 15, 2023
Is a signature required on a Purchase Order?
Generally, yes, to authenticate and formalize the document.
Shumaila Saeed
Dec 15, 2023
Do Invoices affect tax obligations?
Yes, Invoices are important for tax calculations and compliance.
Shumaila Saeed
Dec 15, 2023
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About Author
Written by
Shumaila SaeedShumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.
Shumaila Saeed
Hifza Nasir
