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Net 30

A payment term requiring the full invoice amount to be paid within 30 days of the invoice date.

Net 30 is the most common open-account payment term in US B2B commerce: the buyer owes the full invoice amount 30 days after the invoice date, with no discount for earlier payment. It is the default benchmark against which other terms (net 15, net 60, 2/10 net 30) are negotiated, and it is the reference point most commercial credit bureaus use when calculating how many days beyond terms a company pays.

The 30-day clock usually starts on the invoice date, but this is a frequent source of disputes. Buyers often assume the clock starts when they receive the goods or the invoice, and large buyers may impose receipt-based or end-of-month conventions through their AP systems. Sellers should state the convention explicitly on the credit application and invoice, because a silent mismatch turns a customer who believes they pay on time into one the seller's aging report shows as chronically 10 to 15 days late.

Net 30 does not mean cash arrives on day 30. Realistic planning assumes mail, approval, and payment-run float on top of the stated term; a portfolio on net 30 terms with a DSO in the low 40s is performing normally. The gap between stated terms and actual payment behavior, tracked as days beyond terms, is the more informative risk signal than the term itself.

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