Most late invoices aren't a sign of bad faith: they were missed, sent to the wrong person, or are stuck in an approval queue. A short, friendly reminder usually fixes it. Copy these templates and fill in the [brackets].
1. Friendly heads-up (3 days before the due date)
Subject: Invoice [INV-0042] due on [date]
Hi [Name], Just a quick note that invoice [INV-0042] for [amount] is due on [date]. I've attached it again for convenience. Payment details are on the invoice. Let me know if you need anything from me to process it. Thanks, [Your name]
2. On the due date
Subject: Invoice [INV-0042] is due today
Hi [Name], Invoice [INV-0042] for [amount] is due today. If it's already on its way, thank you, and please ignore this. If it's waiting on anything (a PO number, a different contact in accounts), just tell me and I'll sort it out. Best, [Your name]
3. One week overdue
Subject: Overdue: invoice [INV-0042] ([amount])
Hi [Name], I haven't received payment for invoice [INV-0042] ([amount]), which was due on [date]. I've attached a copy. Could you let me know when I can expect payment? If there's a problem with the invoice, I'm happy to help. Thanks, [Your name]
4. Thirty days overdue
Subject: Second reminder: invoice [INV-0042] is 30 days overdue
Hi [Name], Invoice [INV-0042] for [amount] is now 30 days past its due date of [date]. Could you confirm a payment date by [day]? As agreed in our terms, [late fee / interest] applies to overdue balances. I'd rather we settled it before that's needed. If it's easier, I can split it into [two] payments. Regards, [Your name]
5. Final notice
Subject: Final notice: invoice [INV-0042]
Hello [Name], Despite earlier reminders on [dates], invoice [INV-0042] for [amount] remains unpaid. Please arrange payment by [date]. If I don't hear from you by then, I'll need to [pause further work / take the next step we agreed in our contract]. I'd much prefer to resolve this together, so please reply if anything is holding it up. Regards, [Your name]
Tips that help reminders work
- Attach the invoice every time, and put the invoice number and amount in the subject line.
- Find the right person. Ask who handles payments; it's often not your project contact.
- Stay factual and polite. Dates, amounts and a clear request work better than frustration.
- Only mention fees you agreed in advance, and check local rules on late-payment interest. See payment terms explained.
- Make paying easy: clear bank or PayPal details on the invoice, and a clear due date. Here's what a good invoice includes.
Questions
How soon should I send a payment reminder?
A friendly note a few days before the due date, then one on the day, then about a week after. Most invoices are paid after the first or second reminder.
Should I call or email?
Email first, so there's a written record. If two emails go unanswered, a short phone call often gets it resolved.
General information, not legal, tax or accounting advice. Rules differ by country and state; check yours or ask a professional.
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