Last updated: February 19, 2026
How to Write Invoice Email: Overdue Invoice Reminder (With Examples)
Chasing late payments requires a delicate balance: you need your money, but you also need to preserve the client relationship. Master the art of the overdue invoice email with these tailored scripts.
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Quick Template (Short)
Hi [[NAME]], following up on invoice [[REFERENCE]], which was due on [date]. Could you please process this at your earliest convenience? Thanks, [[YOUR_NAME]].
Formal Version
Dear [[NAME]], This is a formal reminder that invoice [[REFERENCE]] for [service/product] is now overdue. The payment was due on [original due date]. Please remit the outstanding amount of [amount] via your original payment method. If you have already sent payment, please disregard this notice. Should you require a copy of the invoice or have any disputes, contact me immediately. Sincerely, [[YOUR_NAME]]
Friendly Version
Hey [[NAME]], hope you're having a good week! Just circling back on invoice [[REFERENCE]] for our recent project. I see it's a bit past the due date—no rush, but could you check on it when you get a moment? Let me know if you need anything from my end. Chat soon, [[YOUR_NAME]].
Firm Version
[[NAME]], This is the second notice regarding the severely overdue invoice [[REFERENCE]] (originally due [date]). Our records show no payment or communication. Per our agreement, a late fee of [percentage/amount] has been applied, bringing the new total to [new total]. Full payment is expected within 5 business days to avoid further escalation, which may include suspending services or turning the account over to a collections agency. Pay immediately via [payment link/method]. [[YOUR_NAME]]
Subject Lines (Pick one)
- Overdue Invoice [[REFERENCE]] for [Your Company Name]
- Follow-up: Invoice [[REFERENCE]] Payment Required
- Urgent: Your Account [[REFERENCE]] is Past Due
Tips
- Always include the exact invoice number and due date in the first line.
- Send a polite 'just checking in' email 3 days after the due date.
- For severe delays, switch to certified mail for legal documentation.
Related templates
More templates in the same category:
FAQ
Q: When should I start charging late fees on an overdue invoice?
A: Only charge late fees if clearly stated in your original contract/terms, and start after the specified grace period (e.g., 10 days past due).
Q: What's the best way to ask for an extension without sounding desperate?
A: Propose a specific, new deadline and ask for their commitment: 'Can we agree on payment by [new date]?'
Personalized Generator (Fill & Copy)
Fill in the fields to generate a ready-to-send invoice email. Example Invoice: Invoice #INV-7712.