Who This Article Is For
- People waiting for payment after an invoice deadline
- People requesting payment without damaging a client relationship
- People seeking email examples and a clear order of response
How to Follow Up on Unpaid Invoices With Practical Email Examples
Check invoice details, send calm reminders in stages, keep clear records, and use practical email examples to request payment while preserving relationships.
Published
Use Facts and Move From a Payment Check to Follow-Up and Final Notice
Handle an unpaid invoice through an initial check, a follow-up, and a final notice, using facts at each stage. Avoid strong wording driven by urgency.
Late payment can result from an oversight or delayed internal processing. A polite check can be more effective than beginning confrontationally.
However, indefinite hesitation also carries risk. Keep records and decide when to move to the next stage.
Prepare Before Sending a Reminder
Check your own information first. Unclear details can prolong the exchange.
Review:
- Invoice number
- Amount
- Payment deadline
- Bank details
- Date the invoice was sent
- Contract or order details
Consider possible circumstances such as an overlooked message, delayed accounting, or an invoice that never arrived.
The initial contact establishes the situation. Ask about the facts without blame; this naturally keeps the wording calm.
Reminders in Stages
Use a defined order.
Nonpayment may involve forgetfulness or a reason the customer has been unable to contact you, rather than bad intent.
Increase firmness gradually instead of beginning with a final demand.
Initial Payment Check
A few business days after the deadline, begin by asking about payment and allowing for the possibility it has already been sent.
For example:
Subject: Please check the invoice for [month]
Hello [name],
This is [your name]. Thank you for working with us.
I am checking payment for the invoice sent on [date]. The payment deadline was [date], and we have not yet received the funds.
If you have already paid, please disregard this reminder. Otherwise, could you check and let us know the current status?
Thank you for your help.
Follow-Up Email
If the first email receives no reply, state clearly that payment remains outstanding and ask for the expected payment date.
For example:
Subject: Payment status for the invoice due on [date]
Hello [name],
This is [your name]. Thank you for working with us.
I am following up on the invoice mentioned in my previous email. We have not yet received payment. Could you please let us know the expected payment date?
I have attached the invoice again for reference.
Thank you for your attention.
Final Notice
If repeated messages receive no answer or payment keeps being postponed, specify the invoice and give a clear response deadline.
For example:
Subject: Important: Outstanding payment request
Hello [name],
This is [your name]. Thank you for working with us.
We have not received payment or a response regarding the invoice discussed in our previous messages. The details are:
- Invoice number: 12345
- Amount: ¥110,000
- Original payment deadline: [date]
Please make payment or contact us with an update by [date]. If payment by then is difficult, please let us know.
Thank you for your prompt attention.
Points to Consider When Contacting the Customer
The tone matters alongside the information. Poor wording can turn a payment discussion into an emotional conflict.
Keep Emotion Out of the Message
Anxiety and frustration are natural when payment is delayed, but expressing them directly can make the recipient defensive.
Avoid:
- Accusatory wording
- Assumptions about intent
- Excessive pressure
- Long emotional explanations
Briefly state the facts, amount, and deadline.
Keep Records
A clear history makes the next response easier.
Keep:
| Item | Record |
|---|---|
| Invoice details | Number, amount, and deadline |
| Contact history | Email dates and call dates and times |
| Responses | Expected payment date and explanations |
| Supporting material | Contract, order details, and invoice copy |
Email-based communication helps preserve the sequence.
Review Whom You Contact
The conversation may stall with the original contact. Consider whether accounting or a responsible manager is the appropriate person.
In companies, the person receiving the work may differ from the person making payments. Finding the right contact can move matters forward.
Preventing Unpaid Invoices
Preparation before trading and at invoicing reduces later work.
Useful steps include:
- Put payment terms in the contract
- Track invoice sending dates and deadlines
- Set deposits or advance payments for large projects
- Consider staged invoicing for long projects
- Schedule payment checks in advance
Manage through to receipt of payment. A defined process changes the burden of handling late invoices.
To reflect expected receipts in company-wide cash management, see A Cash Forecast for Expected Receipts and Payments. It explains separating profit from available funds.
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Frequently Asked Questions
Q: When should I begin reminding a customer?
A: You can start checking after the deadline. Contacting them within a few business days while allowing for a payment already in transit keeps the discussion straightforward.
Q: Is calling impolite?
A: No. It can help when email receives no response. Treat it as a calm check rather than applying pressure.
Q: Should the first message be strict?
A: Start with a polite check. An oversight or processing delay is possible, and a staged approach helps preserve the relationship.
Q: What if there is no response?
A: Send a follow-up and call if needed. If there is still no reply, consider another notification method or professional advice.
Q: How can I reduce unpaid invoices?
A: Document terms and track invoice dates and payment checks. Deposits and staged billing can also help with large projects.
