Purchase Order Payment Terms: Net 30, 2/10 Net 30 and More

Purchase order payment terms are the rules on a PO that set when and how the buyer pays the supplier. The most common is Net 30, meaning full payment is due 30 days after the invoice date. Early-payment terms like 2/10 Net 30 add a discount: pay within 10 days and take 2% off, otherwise pay the full amount by day 30. The terms belong on the PO so both sides agree on timing before anything ships.

Last updated July 2026.

Payment terms decide your cash flow on both sides of a deal. For the buyer they are free short-term credit; for the supplier they are the gap between shipping and getting paid. Put them on the purchase order clearly and there is no argument later about when a bill is late. This guide covers the standard terms, what the discount notation means, how to calculate whether an early-payment discount is worth taking, and where the terms sit in the order flow.

What are purchase order payment terms?

Purchase order payment terms are the agreed conditions for payment stated on the PO: the due date, any early-payment discount, the currency, and sometimes a deposit or milestone schedule. They turn "we will pay you" into a specific, enforceable timeline. Because the PO is the buyer's binding offer, the terms on it carry into the contract once the supplier accepts, and they should match what later appears on the invoice.

Common purchase order payment terms explained

Most US B2B terms are variations on "Net" (the full-payment deadline) with optional discounts or deposits layered on. Here are the ones you will see most often.

What does 2/10 Net 30 mean?

2/10 Net 30 means the buyer gets a 2% discount by paying within 10 days of the invoice date, and otherwise owes the full amount by day 30. The first number is the discount percentage, the second is the discount window in days, and "Net 30" is the final deadline. On a $10,000 invoice, paying by day 10 costs $9,800; paying between day 11 and day 30 costs the full $10,000.

The reason buyers chase these discounts is the return. Taking 2% to pay 20 days early works out to roughly a 37% annualized return, far above what idle cash earns sitting in the bank. For suppliers, offering the discount pulls cash in faster and cuts the need for financing, which is why early-payment terms are common in industries with thin margins and long cycles.

How to decide if an early-payment discount is worth taking

Compare the annualized value of the discount against your cost of capital. The formula is: discount rate divided by (100 minus discount rate), multiplied by 365 divided by (full term minus discount period). For 2/10 Net 30 that is (2 / 98) x (365 / 20), which is about 37.2%. If your money costs less than that to borrow or would earn less sitting still, taking the discount wins. If you are cash-constrained and borrowing above that rate, it may not.

Where payment terms sit in the order flow

Payment terms are set on the purchase order, restated on the supplier's order confirmation, and repeated on the final invoice. When accounts payable runs invoice matching, the terms on the invoice should match the PO, or the clock the buyer thinks it is on will be wrong. If the terms drift between documents, you get disputes over whether a payment is early, on time, or late, and missed discounts that were actually available.

This is why the terms need to be captured as data, not just read off a PDF. The converter above pulls the payment terms along with the header and line items into Excel, CSV, or JSON, so your system knows the real due date and discount window for every order. Suppliers on the other side of the deal, who offer these terms and then wait, often pair them with an automated way to chase invoices that are approaching or past due so the terms they extended actually get honored on time.

Should payment terms go on the purchase order or the invoice?

Both, and they must agree. The buyer proposes terms on the purchase order; the supplier accepts or counters; the agreed terms then appear on the invoice. Putting them only on the invoice lets the supplier set the clock unilaterally, and putting them only on the PO leaves the invoice ambiguous. The safe practice is to state the terms on the PO, confirm them on the order acknowledgment, and verify the invoice matches before you pay. See what else belongs on the document in our guide to purchase order terms and conditions.

Frequently asked questions

What are the most common purchase order payment terms?

Net 30 is the most common, meaning full payment 30 days after the invoice date. Net 60 and Net 90 extend that window, due on receipt shortens it to immediately, and early-payment terms like 2/10 Net 30 add a small discount for paying quickly. Large or custom orders often use a deposit plus a balance on delivery.

What does Net 30 mean on a purchase order?

Net 30 means the buyer must pay the full invoice amount within 30 days of the invoice date, with no discount for paying earlier. It is effectively 30 days of interest-free credit from the supplier. The clock usually starts on the invoice date, though some agreements start it from the delivery or goods-receipt date, so it pays to confirm which.

Is 2/10 Net 30 a good deal for the buyer?

Usually yes. Taking a 2% discount to pay 20 days early equals about a 37% annualized return, which beats leaving the cash idle or in most short-term investments. It only stops making sense if you are so cash-constrained that borrowing to pay early costs more than that rate, or if paying early strains your working capital.

Do payment terms make a purchase order binding?

Payment terms are one part of a purchase order, but the PO becomes binding when the supplier accepts it, not because of the terms alone. Once accepted, the agreed payment terms are enforceable along with the rest of the order. Clear terms simply remove ambiguity about when payment is due and whether a discount applies.

Where should payment terms appear?

On the purchase order first, then confirmed on the supplier's order acknowledgment, then repeated on the final invoice. All three should match. If the terms differ between the PO and the invoice, accounts payable should flag it during matching before paying, because a mismatch changes the real due date and can cost you an available discount.