Template
Second notice overdue invoice letter template
Use this after a friendly reminder when an invoice remains unpaid. It is firmer, but still professional.
Published Jan 20, 2026
How it works
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Complete the guided fields online.
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Review the generated PDF before mailing.
We print and mail it via USPS.
Copy/paste template
[Your Company Name]
[Your Company Address]
[City, State ZIP]
[Phone]
[Email]
[Date]
[Recipient Name]
[Recipient Company]
[Recipient Address]
[City, State ZIP]
Re: Second notice - Invoice #[Invoice Number]
Amount Due: $[Amount]
Original Due Date: [Date]
Hello [Recipient Name],
This is a second notice that invoice #[Invoice Number] for $[Amount] remains unpaid.
Please submit payment by [Deadline Date]. If payment has already been sent, please contact us with details.
Payment options: [methods].
Payment instructions: [link or address].
Sincerely,
[Your Name]
[Title]
[Company]
Before you mail (checklist)
- Confirm amount due and invoice number.
- Provide a clear deadline.
- Include payment instructions and contact info.
Recommended mailing method
Use Certified Mail with electronic return receipt (First Class only) when you need proof the letter was delivered.
Certified Mail with electronic return receipt (First Class only)
Common mistakes to avoid
- Leaving off the deadline.
- Sending to the wrong department.
- Missing payment methods.
What you get
- • Second notice template
- • Certified Mail with electronic return receipt (First Class only)
- • First Class or Express delivery options
Simple pricing
Base fee plus per-page printing. Postage included. See pricing for details.
Why PostalForm
USPS delivery
First Class or Express with optional Certified Mail.
Address validation
Reduce returned mail and delivery errors.
Fast checkout
Upload once and mail in minutes.
FAQs
- Do you offer tracking?
- Yes. Add Certified Mail with electronic return receipt (First Class only).
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