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Last updated: February 19, 2026

Invoice Email: Send Invoice Again: Templates + Subject Lines

Stuck with unpaid invoices? Strategic follow-up emails can prompt payment while preserving professional relationships. Explore tailored templates and subject lines designed for resending invoices effectively.

On this page

• Quick template (short)
• Formal version
• Friendly version
• Firm version
• Subject lines
• Tips
• FAQ
• Personalized generator

Quick Template (Short)

Copy

Hi [[NAME]], following up on invoice [[REFERENCE]]. Please process payment at your earliest convenience. Thank you, [[YOUR_NAME]].

Formal Version

Copy

Dear [[NAME]], This is a formal reminder that invoice [[REFERENCE]] remains unpaid. Kindly settle the outstanding amount promptly. Contact me with any discrepancies. Sincerely, [[YOUR_NAME]].

Friendly Version

Copy

Hey [[NAME]], hope you're having a good week! Just a quick note about invoice [[REFERENCE]]—when you can, please take care of it. Thanks a bunch! [[YOUR_NAME]]

Firm Version

Copy

[[NAME]], invoice [[REFERENCE]] is 60 days overdue. Final demand: pay within 5 business days or face account suspension. [[YOUR_NAME]]

Subject Lines (Pick one)

• Second Attempt: Invoice [[REFERENCE]] Payment Required
• Friendly Reminder: Outstanding Balance on Invoice [[REFERENCE]]
• Urgent Follow-up: Invoice [[REFERENCE]] Now Overdue – Act Now

Tips

• Reference the original invoice date and due date in every follow-up.
• Add a one-click payment button to streamline the process.
• Send follow-ups mid-week, Tuesday to Thursday, for better response.

Related templates

More templates in the same category:

• How to Write Invoice Email: Send Invoice Again (With Examples)
• How to Write Invoice Email: Send Invoice Again (With Examples)
• Invoice Email: Request Payment Status Update — Short, Formal, Friendly, Firm
• Invoice Email: Request Payment Status Update: Templates + Subject Lines
• Invoice Email: Send Invoice Again — Short, Formal, Friendly, Firm

FAQ

Q: How many invoice follow-ups are appropriate before taking legal action?
A: Typically, send 3-4 escalating reminders over 30-45 days before considering collections or legal steps.

Q: What tone works best for a first invoice resend?
A: Use a polite, assumptive tone like 'hope you received this' to avoid sounding accusatory.

Personalized Generator (Fill & Copy)

Fill in the fields to generate a ready-to-send invoice email. Example Invoice: Invoice #INV-7712.