Late Payment Email Template

TEMPLATE 1: FRIENDLY REMINDER (1-3 DAYS LATE)
Subject: Invoice [INV-###] reminder

Hi [Client Name],
Hope you're doing well. A quick reminder that invoice [INV-###] for [Amount] was due on [Date].
Could you confirm payment timing?

Thank you,
[Your Name]

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TEMPLATE 2: FIRM FOLLOW-UP (7-14 DAYS LATE)
Subject: Follow-up: Invoice [INV-###] now overdue

Hi [Client Name],
Following up on invoice [INV-###] for [Amount], now [X] days overdue.
Please arrange payment by [New Date]. If already processed, please share remittance confirmation.

Best,
[Your Name]

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TEMPLATE 3: FINAL NOTICE (15+ DAYS LATE)
Subject: Final notice: Invoice [INV-###]

Hi [Client Name],
Invoice [INV-###] for [Amount] remains unpaid and is now [X] days overdue.
Per our terms, late fees may apply from [Date]. Please settle by [Final Date] to avoid escalation.

If there is an issue, reply today so we can resolve it.

Regards,
[Your Name]

Escalation best practices

• Keep every message short, factual, and tied to invoice number + amount.
• Always include a concrete date for expected payment response.
• Avoid emotional language; maintain a firm and professional tone.
• Align fee language with your signed contract and invoice terms.

Related resources

Calculate updated balances in the Late Payment Fee Calculator and review escalation timing in the late payment guide.