An invoice that has been issued but not yet paid—money you're still waiting to receive.
An outstanding invoice is one that's been sent but hasn't been paid yet. It's part of your accounts receivable—money you've earned and billed for but haven't collected. Every business has outstanding invoices; the goal is to minimize how long they stay outstanding.
Best practices for keeping outstanding invoices under control:
An outstanding invoice simply hasn't been paid yet—it may or may not be past due. An overdue invoice has passed its due date without payment. All overdue invoices are outstanding, but not all outstanding invoices are overdue.
Invoicer sends automatic reminders so you get paid faster.
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