payment terms

Net 10, net 15, net 30 and net 60 (often hyphenated "net-" and/or followed by "days", e.g., "net 10 days") are payment terms for trade credit, which specify that the net amount (the total outstanding on the invoice) is expected to be paid in full by the buyer within 10, 15, 30 or 60 days of the date when the goods are dispatched or the service is completed. Net 30 or net 60 terms are often coupled with a credit for early payment.
The word net in this sense means "total after all discounts". It originally derives from the Latin nitere (to shine) and nitidus (elegant, trim), and more recently from the French net (sharp, neat, clean).

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