INVOICE EMAIL TEMPLATES — ONLINEBILLER
Original English examples. Replace bracketed placeholders before sending.

Send an invoice for completed work
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Subject: Invoice [invoice number] for [project or service]

Hi [client name],

Please find invoice [invoice number] attached for [work supplied / billing period]. The total is INR [amount], payable by [agreed due date].

The invoice lists the charges and payment details. Please use [invoice number] as the payment reference. Let me know if you need a purchase-order reference or another agreed billing detail added.

Thank you,
[your name]
[business name]

Polite reminder after the agreed due date
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Subject: Payment reminder — invoice [invoice number]

Hi [client name],

I am following up on invoice [invoice number] for INR [outstanding amount], which was due on [agreed due date]. I have attached a copy for reference.

If payment has already been made, please share the payment date or reference so I can check my records. Otherwise, could you confirm the expected payment date?

Thank you,
[your name]

Send a corrected invoice
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Subject: Corrected invoice [invoice number] — [brief reason]

Hi [client name],

Please use the attached corrected invoice for [project / billing period]. I have corrected [specific detail] from the version sent on [date].

[State whether the amount and agreed due date changed.] Please disregard the earlier attachment and keep this version with your records. If the original has already been processed, let me know before making any further payment.

Thank you,
[your name]

Ask a supplier to correct an invoice
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Subject: Correction request for invoice [invoice number]

Hi [supplier contact],

Could you check invoice [invoice number], dated [date]? The [field or charge] currently shows [current detail]; our agreed record shows [expected detail].

I have attached [relevant order / agreed record] for reference. Please confirm the correction and send the revised document through your usual billing process.

Thank you,
[your name]