Setting an invoice due date involves determining the payment terms agreed upon with the client and calculating the due date based on the invoice date. For instance, with Net 15 terms, if the invoice date is August 1, the due date would be August 16. Understanding how to set invoice due dates » ensures clarity for clients and promotes prompt payments. Clearly stating the invoice due date on the invoice helps clients know when payment is due, reducing the risk of late payments and improving cash flow management.