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Last updated: February 19, 2026

Invoice Email: Send Invoice Again: Templates + Subject Lines

Struggling with unpaid invoices that vanish into thin air? Master the art of the resend with our targeted email templates and subject lines engineered to recover payments swiftly and professionally.

On this page

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

Quick Template (Short)

Copy

Hi [[NAME]], resending invoice [[REFERENCE]] for your immediate payment. Please settle the amount today. Thanks, [[YOUR_NAME]].

Formal Version

Copy

Dear [[NAME]], We are writing to formally remind you of invoice [[REFERENCE]], which remains outstanding. We request payment within 3 business days to resolve this matter. Sincerely, [[YOUR_NAME]].

Friendly Version

Copy

Hey [[NAME]], just circling back on invoice [[REFERENCE]]. Let me know if you need a fresh copy or have any hiccups. Appreciate your prompt attention! [[YOUR_NAME]]

Firm Version

Copy

[[NAME]], invoice [[REFERENCE]] is severely overdue. Pay in full now to avoid escalation to collections or legal action. [[YOUR_NAME]]

Subject Lines (Pick one)

• Second Notice: Invoice [[REFERENCE]] for [[NAME]] – Payment Required
• Resent: Unpaid Invoice [[REFERENCE]] – Action Needed by EOD
• Urgent Follow-up: Your Invoice [[REFERENCE]] is Still Outstanding

Tips

• Always include the original invoice date and specific overdue amount.
• Reference a previous conversation or agreement to jog memory.
• Offer a direct payment link in the email for instant settlement.

Related templates

More templates in the same category:

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

FAQ

Q: What's the ideal number of times to resend an invoice before halting services?
A: Limit to 2-3 resends; after that, suspend services or initiate formal collection steps.

Q: How can I resend an invoice without damaging the client relationship?
A: Use collaborative language, assume good faith, and focus on solving the issue together.

Personalized Generator (Fill & Copy)

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