How to word an overdue invoice?

Asked by: Ella Haag DVM  |  Last update: August 14, 2026
Score: 4.5/5 (20 votes)

Overdue invoice wording should escalate in firmness, starting polite and friendly (e.g., "Just a friendly reminder...") and becoming more direct, mentioning late fees and consequences (e.g., "This is a final notice... legal action may follow") as time passes, always including invoice details, due dates, payment links, and contact info, and offering solutions like payment plans.

How do you politely say an invoice is overdue?

I wanted to politely remind you about Invoice [Invoice Number], which is currently [Number of Days] days overdue. The original invoice was sent on [Date] and the due date was [Due Date]. The total outstanding amount is [Amount Due].

How to write an overdue invoice?

The late payment letter should be professional, yet friendly, and clearly communicate the urgency of the situation while providing the necessary information for payment. Mention the outstanding invoice details: Provide specific details about the overdue invoice, including the invoice number, date, and the amount owed.

How do you say an invoice is unpaid?

Sequence 1: Standard 30, 60, and 90-Day Unpaid Invoice Emails

  1. [Subject line] Reminder of balance due for [account #12345]
  2. This is a friendly reminder that your payment is now past due. ...
  3. In accordance with our policies, a late fee of [amount] has been assessed.

How do you write a wording for collecting past due invoices?

Dear [Client's Name], This is our final notice regarding Invoice #[Invoice Number] dated [Invoice Date] with an outstanding balance of [Amount]. This invoice is now 90 days past due, and we must request immediate payment. Please be advised that, per our agreement, this invoice may now be subject to late fees.

How To Write An Overdue Invoice Letter | Unpaid Invoices

29 related questions found

How do you write overdue?

Invoice [invoice number] is now overdue by [number of days overdue]. If we do not receive payment within 10 working days, we will refer the matter to a collection agency. As a last resort, we will seek to resolve the matter in court.

How do I ask someone to pay an overdue invoice?

If you're wondering how to request payments, payment reminder emails are the best way to do so. Based on our firsthand experience, a phone call or request for payment via text message are options, but will likely annoy your customer.

How do I politely remind someone to pay their invoice?

How Do You Write a Friendly Payment Reminder?

  1. Start with a Friendly Greeting: “Hi [Client's Name], I hope this finds you well.”
  2. State the Purpose Clearly: “I just wanted to send a quick reminder about Invoice #12345, which was due on [due date].”
  3. Offer Assistance: ...
  4. Close Positively:

What is another word for late invoice?

If an invoice was sent to a customer but hasn't been paid, it's considered an outstanding invoice. Other terms for outstanding invoices include unpaid invoices and open invoices. However, they're slightly different from past-due or overdue invoices, which refer to outstanding payments after the due date.

How do I write a good reminder?

How to write good reminder emails

  1. Start with a clear, direct subject line. ...
  2. Lead with the essential information. ...
  3. Use a friendly but professional tone. ...
  4. Include all relevant logistics. ...
  5. Add a clear call to action. ...
  6. Time it right. ...
  7. Personalize when possible. ...
  8. Keep it brief.

How do you use overdue payment in a sentence?

Examples of Overdue Payments in a sentence

If there are Overdue Payments outstanding for more than thirty (30) days, Modernizing Medicine reserves the right to suspend Users' access to the Software until such amounts are paid in full.

How to remind a client about an unpaid invoice?

Hi [client name]. This is a friendly reminder for payment on invoice [invoice number], due today, [due date]. Please submit payment by the close of business today to avoid any late fees. You'll find the original invoice attached to this email.

What happens if invoice is not paid after 30 days?

30+ days late

If your client hasn't made payment (or meaningful contact) within 30 days of the invoice becoming due, it may be time to issue a letter before action (LBA), or to pass over the matter to a debt collection agency. An LBA gives your client formal notice that legal action is imminent.

How do you politely ask a client to pay an invoice?

Send a friendly nudge before the invoice due date, then follow up with firmer messages if the payment becomes overdue. Include key details to get faster payments by listing the invoice number, payment link, and your business name in the subject line so clients can act quickly and avoid confusion.

How do you say payment is overdue?

Dear [customer name], This is a reminder that invoice [number] is now [X] days overdue and beyond the set payment terms. Please arrange the payment as soon as possible to avoid escalation. If you're having any difficulties paying, let me know and we can discuss a solution.

How do you politely remind someone professionally?

Use a polite and positive tone throughout

Instead, express understanding and willingness to assist if there are any issues. For example, phrases like: “Please let me know if you need any help with the payment process” “I understand things can get busy, so just wanted to send a quick reminder”

What is a word for overdue or still owed?

belated delinquent outstanding tardy unpaid. WEAK. behind time behindhand due held up hung up jammed long-delayed mature not punctual owing payable unpunctual unsettled.

How do you say "too late" professionally?

Best Expression: “I apologize for the delay. Traffic congestion on the highway has caused an unforeseen delay. I am making my way and will be there in 10 minutes. Please proceed with the meeting without me if necessary.”

How do you politely ask for a missed payment?

To politely ask for late payment, send a friendly, factual reminder email the day after the due date, including the invoice number, amount, and a link to the original invoice, keeping a helpful tone and offering assistance for any questions or issues, while gently escalating firmness with subsequent reminders if needed, but always maintaining professionalism and offering payment options. 

How do I ask a customer to pay past due invoices?

Email subject: Invoice #123 is two weeks overdue

We have now reminded you several times of your payment for Invoice #123, at the amount of $____. This is just another reminder that your payment is now two weeks overdue. Please send us a response if you received these reminders, or if you lost your invoice.

How do I write a gentle reminder message?

A gentle reminder message sample usually starts with a polite opening, briefly states the purpose (e.g., following up on [Topic/Meeting/Invoice]), acknowledges the recipient might be busy, and asks for an update or action, making it easy to respond, often with a simple "Thanks!" or "Let me know if you need anything". Key elements include a clear subject line like "Quick Follow-Up on [Topic]" and a helpful tone that offers assistance if needed, rather than demanding an immediate response.
 

How long before a payment is considered overdue?

After 30 days, generally, the late payment will appear on your credit report. Late payments generally stay on your credit report for 7 years from the date of the missed payment, though the older a late payment is, the less of an impact it typically has on your credit score.

How to professionally tell someone to pay their bill?

I'm reaching out to you to remind you that your payment of [payment total] for invoice [invoice number] with us is [number of days] overdue. According to our records, you should've received the invoice I'm referring to in the mail on July 5, 2022. This is a courtesy reminder and we understand that you're busy.

How do I inquire about an unpaid invoice?

Past Due Invoices? 6 Steps to Get Paid (Templates & Examples)

  1. Analyze & focus on your most overdue accounts.
  2. Send an overdue invoice email.
  3. Set a tempo for your overdue payment reminders.
  4. Call your past-due accounts.
  5. Involve your account managers.
  6. Follow up with a past due invoice letter (snail mail)

How can I handle late payments professionally?

How To Handle Late Payments

  1. Send Friendly Reminders. A gentle reminder shortly after a missed payment can prompt clients to act without feeling pressured. ...
  2. Follow Up with a Phone Call. ...
  3. Send a Formal Past-Due Notice. ...
  4. Consider Late Fees. ...
  5. Offer Payment Solutions.