Bookkeeping Glossary

Purchase Orders Explained

Learn what purchase orders are, why they matter for your business, and how to manage them effectively.

KEY TAKEAWAYS

  • ✓

    A purchase order is a formal document that specifies what you’re buying, quantities, and agreed prices.

  • ✓

    It helps control spending, track orders, and maintain clear records for audits and tax purposes.

  • ✓

    Using purchase orders improves vendor relationships and prevents miscommunication on orders.

What is a Purchase Order?

A purchase order (PO) is a document generated by a buyer when they want to purchase goods or services from a seller. It outlines what the buyer wants to buy, including details such as the quantity, price, and delivery date. Think of it as an official request to a supplier, similar to a shopping list but more formal.

Why Are Purchase Orders Important?

Purchase orders play a crucial role in business transactions. Here are some key reasons why they are important:

  • Clarity: They help ensure that both the buyer and seller are clear about what is being purchased.
  • Record Keeping: They serve as a record of what was ordered, helping in tracking expenses and inventory.
  • Budget Control: Purchase orders can help businesses manage their budgets by controlling spending.
  • Legal Protection: In case of disputes, a purchase order can act as a legally binding document that outlines the agreement between parties.

How Does a Purchase Order Work?

The process of using a purchase order typically involves the following steps:

  1. Creation: The buyer creates a purchase order with details of the products or services needed.
  2. Approval: The purchase order may need approval from a manager or finance team before being sent.
  3. Submission: The buyer sends the purchase order to the seller or supplier.
  4. Confirmation: The seller reviews the purchase order and confirms the order, often by sending back an order confirmation.

What Should Be Included in a Purchase Order?

A complete purchase order typically includes the following details:

  • Order Number: A unique identifier for the purchase order.
  • Buyer Information: Details about the buyer, including their name, address, and contact information.
  • Supplier Information: Information about the supplier, including their name and address.
  • Description of Goods/Services: A detailed list of what is being ordered.
  • Price and Quantity: The cost of each item and how many are being ordered.
  • Delivery Date: When the goods or services are expected to arrive.

Purchase orders help streamline the purchasing process, making it easier for businesses to manage their orders and finances.

How It Applies to Your Business

When will you actually use this?

Purchase orders aren’t just for large corporations. They’re a practical tool that brings clarity to any business’s purchasing process. Here’s when you’ll use them:

Ordering Supplies

Create a PO whenever ordering office supplies or materials to clearly document what was ordered and at what price.

Service Agreements

Use POs for contractor services to formalize scope, rates, and payment terms before work begins.

Inventory Management

Track incoming inventory with POs so you know what’s been ordered, what’s arrived, and what’s still pending.

Budget Control

Require POs for purchases above a threshold to ensure spending stays within budget.

Audit Preparation

Maintain a PO trail to provide clear evidence of authorized spending during audits.

Vendor Communication

Eliminate confusion by sending formal POs that specify exactly what you expect from suppliers.

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Purchase Order FAQs

Quick answers to common questions about purchase orders

What is a purchase order?

A purchase order (PO) is a formal document issued by a buyer to a seller that specifies the types, quantities, and agreed prices for products or services. It creates a legally binding contract when accepted by the seller.

Is a purchase order the same as an invoice?

No. A purchase order is issued by the buyer before the transaction to request goods. An invoice is issued by the seller after the transaction to request payment.

Do small businesses need purchase orders?

Yes. Even small businesses benefit from POs because they help track spending, prevent unauthorized purchases, and maintain clear financial records.

What information should a purchase order include?

A standard PO includes PO number, buyer and seller details, item descriptions, quantities, unit prices, total amount, delivery date, and payment terms.

How do purchase orders help with bookkeeping?

POs provide a paper trail for every purchase, making it easier to track accounts payable, reconcile statements, and prepare for tax season.

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