Past Due Notice Letter Template

Updated December 10, 2025 • Urgent Collection ✓ Legal Record ✓ Final Warning ✓

Use this template for seriously past due accounts when previous reminders have failed. Creates a formal record before escalation.

When to Send a Past Due Notice

  • Invoice is 30+ days past due
  • Previous reminders have been ignored
  • Customer has not responded to contact attempts
  • Before sending to collections
  • Before pursuing legal action

Past Due Notice Template

PAST DUE NOTICE - URGENT

SENT VIA CERTIFIED MAIL - RETURN RECEIPT REQUESTED

[Your Company/Business Name]
[Your Address]
[City, State, ZIP Code]
[Phone Number]
[Email Address]

[Date]

[Customer Name]
[Company Name, if applicable]
[Address]
[City, State, ZIP Code]

Re: PAST DUE NOTICE - Immediate Payment Required
    Invoice Number(s): [INVOICE NUMBER(S)]
    Amount Past Due: $[AMOUNT]
    Days Past Due: [NUMBER]

NOTICE OF PAST DUE ACCOUNT:

Dear [Customer Name]:

Despite previous reminders, your account remains seriously past due. This letter serves as formal notice that immediate payment is required.

ACCOUNT SUMMARY:

Invoice Number    | Invoice Date  | Due Date    | Amount Due
-----------------|---------------|-------------|------------
[INV-XXXX]       | [DATE]        | [DATE]      | $[AMOUNT]
[INV-XXXX]       | [DATE]        | [DATE]      | $[AMOUNT]
[Additional invoices as needed]

                                    Original Amount Due:  $[AMOUNT]
                                    Late Fees Assessed:   $[AMOUNT]
                                    Interest Charges:     $[AMOUNT]
                                    Payments Received:   -$[AMOUNT]
                                    ─────────────────────────────────
                                    TOTAL NOW DUE:       $[TOTAL]

STATUS: [NUMBER] DAYS PAST DUE

PAYMENT REQUIRED:

You must remit payment of $[TOTAL AMOUNT] immediately upon receipt of this notice.

Payment may be made by:
☐ Check payable to [YOUR BUSINESS NAME]
☐ Credit card at [PHONE NUMBER] or [WEBSITE]
☐ Bank transfer (contact us for details)
☐ Online at [PAYMENT PORTAL]

Mail payment to:
[Your Address]
[City, State, ZIP Code]

CONSEQUENCES OF NON-PAYMENT:

If payment is not received within [NUMBER - typically 10] days of this notice, we will be forced to take the following actions:

☐ Suspend your account and all services
☐ Report your account to credit bureaus
☐ Turn your account over to a collection agency
☐ Pursue legal action to recover the debt
☐ Seek recovery of collection costs and attorney's fees
☐ [Other applicable consequences]

PREVIOUS COMMUNICATIONS:

We have previously contacted you regarding this past due balance:
☐ Invoice sent: [DATE]
☐ First reminder sent: [DATE]
☐ Second reminder sent: [DATE]
☐ Phone call attempt: [DATE]
☐ Email sent: [DATE]

Despite these efforts, payment has not been received.

IF YOU ARE EXPERIENCING FINANCIAL DIFFICULTIES:

If you are unable to pay the full amount, please contact us immediately at [PHONE NUMBER] to discuss payment arrangements. We may be able to work with you on a payment plan, but only if you contact us before this matter is escalated.

Payment Plan Request:
☐ I am interested in setting up a payment plan
☐ I can pay $_______ per [week/month]
☐ Please contact me at: _________________

DISPUTE NOTICE:

If you believe this bill is in error, you must notify us in writing within [NUMBER] days of receiving this notice. Your written dispute must include:
- Your name and account number
- The specific amount you are disputing
- The reason for your dispute
- Any supporting documentation

Send disputes to: [DISPUTE ADDRESS OR EMAIL]

IMPORTANT LEGAL NOTICE:

This is an attempt to collect a debt. Any information obtained will be used for that purpose.

[If applicable for debt collection compliance:]
Unless you notify us within 30 days after receiving this notice that you dispute the validity of the debt, we will assume the debt is valid. If you notify us in writing within 30 days that you dispute the debt, we will obtain verification of the debt and mail it to you.

ACT NOW:

This matter requires your immediate attention. Failure to respond will result in the actions described above without further notice.

To resolve this matter today:
1. Call: [PHONE NUMBER]
2. Email: [EMAIL]
3. Pay online: [WEBSITE]
4. Mail payment to address above

Sincerely,

[Your Signature]
[Your Name]
[Title]
[Company Name]

---

For Office Use Only:
Account Number: ________________
Total Past Due: $________________
Days Past Due: ________________
Notice Level: ☐ 30-day ☐ 60-day ☐ 90-day ☐ Final
Certified Mail #: ________________
Date Sent: ________________
Next Action Date: ________________

Collection Escalation Process

  1. 30 days past due: Send formal past due notice. Clearly state consequences of continued non-payment.
  2. 45 days past due: Phone call follow-up. Attempt direct contact to understand the situation.
  3. 60 days past due: Final notice via certified mail. Give a last deadline before escalation.
  4. 75-90 days: Decide whether to pursue collections, legal action, or write off the debt. Consider sending a formal demand letter before litigation.
  5. Keep records: Document all communication for potential legal proceedings. Certified mail provides proof of delivery.

Past Due Notice FAQ

When should I send a past due notice?

Send a past due notice when an invoice is significantly overdue (typically 30+ days) and previous reminders have not resulted in payment. Escalate the urgency as time passes.

Can I charge interest on past due invoices?

Yes, if you disclosed the interest rate upfront (on the original invoice or in your contract). Check your state laws for maximum allowable interest rates.

When should I send to collections?

Most businesses consider collections after 60-90 days of non-payment with no response. Before doing so, send a final notice warning that the account will be turned over to collections.

Should I use certified mail for past due notices?

Yes, especially for final notices before legal action or collections. Certified mail provides proof of delivery, which may be important in legal proceedings.

What if the customer disputes the debt?

Take disputes seriously. Investigate the claim and respond in writing. If the debt is valid, provide documentation. If there was an error, correct it and adjust the amount owed.

Are there legal requirements for collection notices?

Yes, especially if you are a debt collector or using one. The Fair Debt Collection Practices Act (FDCPA) requires specific disclosures. Consult an attorney for compliance guidance.

What is the difference between a demand letter and a past due notice?

A past due notice is a formal reminder that payment is overdue and requests immediate payment. A demand letter is typically more aggressive—it demands payment within a specific deadline and explicitly threatens legal action if payment is not received. Past due notices are usually sent earlier in the collection process, while demand letters are often a final step before litigation.

Compliance Note: If using a collection agency or if you are a debt collector, ensure compliance with the Fair Debt Collection Practices Act (FDCPA).

Send Your Past Due Notice Today

Certified mail provides proof of delivery for collections and legal purposes.

Send with The Letter Pilot