What does payment due “net 30” mean on an invoice?

Net days is a term used in payments to represent when the payment is due, in contrast to the date that the goods/services were delivered.

“Net 30” is a credit term used in business to signify that the full amount a client owes is payable within 30 days, including weekends and holidays, upon goods shipment or job completion.

All invoices are paid at Net 30, unless stated otherwise.