Customer debt reminders should be updated according to the status of the accounts receivable. A soon-to-be-due payment requires a polite reminder; a newly overdue payment requires confirmation of the balance and payment date; only a long-overdue payment should be referred to a formal notice or payment request.
Before sending out invoices, accountants should double-check the invoice, due date, amount collected, pending payments, and any unprocessed discrepancies. This helps businesses avoid sending incorrect debt reminders to customers who have already paid or whose payments are still being processed.
1. Sample debt reminder notices for customers, categorized by situation.
The "Copy structure" button“ will copy the template with the fields [...]. After pasting the information into the email, SMS, or debt reminder system, replace all placeholders with actual data and double-check the payment status before sending.
1.1. Sample payment reminder message
Dear [Customer Name], [Business Name] would like to remind you of the payment deadline for Invoice [Invoice Number] with the amount [Amount], due on [Date]. Please arrange payment according to the information provided in [Payment Information]. If payment has already been made, please disregard this message or send us the supporting documents for verification. Thank you.
1.2. Sample payment reminder message
Dear [Customer Name], the payment for Invoice [Invoice Number] for [Amount] is due today, [Date]. Could you please arrange payment or provide an estimated timeframe if any adjustments are needed? If the payment has been transferred, please send the documentation to [Business Name] for verification and updating of the outstanding balance.
1.3. Sample message to remind customers of overdue payments.
Dear [Customer Name], according to the accounts receivable data of [Business Name], Invoice [Invoice Number] with a balance of [Amount Outstanding] is overdue by [Number of Days]. Please respond with your expected payment date before [Response Date]. If the figures do not match or have already been paid, please send the information for verification before proceeding with further debt processing.
1.4. Sample email for debt payment reminders
Title: Payment reminder for [Invoice Number] – due [Date]
Dear [Customer Name/Company Name],
[Business Name] hereby submits information regarding outstanding debt related to Invoice [Invoice Number], date [Invoice Date], amount due [Amount], payment deadline [Date Due].
Please check and arrange payment before [Request Date]. If payment has been made or the figures do not match, please respond with relevant documents/information for verification.
Support information: [Contact Person] – [Email] – [Phone Number].
Best regards.
1.5. Sample notice/letter requesting payment of overdue debts
NOTICE REQUESTING PAYMENT OF OVERDUE DEBTS
Dear [Customer Name/Company Name]
Based on [Contract/PO/Agreement] No. [Reference Number] dated [Date]; Invoice [Invoice Number] dated [Invoice Date]; and the agreed payment term of [Date Due], as of [Notice Date], the remaining amount payable according to [Business Name] data is [Amount].
[Company Name] requests that your company settle the aforementioned outstanding debt before [Deadline for Request] or provide written feedback if there are any discrepancies, disputes, or unrecorded payment documents.
[Late payment interest/penalty for breach of contract: only added when the basis of the contract and applicable law have been clearly determined.]
Payment information: [Bank account/payment details].
Contact person for verification: [Person in charge] – [Email] – [Phone number].
Best regards.
1.6. Balance Reminder Template
Dear [Customer Name], [Business Name] has recorded the payment of [Amount Received] on [Date Received]. The remaining balance of Invoice [Invoice Number] is [Remaining Amount], payable on [Agreed Date]. Please confirm the payment schedule for the remaining balance. Thank you.
1.7. New Payment Schedule Confirmation Form
Dear Mr/Ms [Customer Name], as discussed on [Date of Discussion], you/Your Company plan to pay [Amount] on [Date of Commitment] for Invoice [Invoice Number]. [Company Name] would like to confirm the above schedule for both parties to follow. If there are any changes, please respond before [Date of Response Required].
2. Should we use text messages, emails, announcements, or official documents?
| Form | Suitable when | Advantage | Note |
|---|---|---|---|
| Message | Reminders, due dates, or recently overdue dates. | Quick, concise, and easy to read. | It should not contain too much sensitive data or language that creates pressure. |
| It is necessary to send statements of accounts payable, invoices, documents, or save the history of exchanges. | It has context and the records are easy to trace. | The subject line should clearly state the invoice/payment period so that the recipient can process it quickly. | |
| Debt notification | The balance and payment deadline need to be officially confirmed. | Suitable for business profiles. | A detailed list should be attached if there are multiple invoices. |
| Payment request letter | Overdue debts that are prolonged, repeatedly unresponsive to reminders, or nearing formal processing. | State your formal request and create a work history. | It should not be assumed that the title "official document" itself creates any special legal effect. |
| Verification/Confirmation Record | The two parties have not yet agreed on the balance or need to reconfirm the obligations. | Resolve the discrepancy before bringing it up again. | Do not use debt reminders as a substitute for the reconciliation step when data is in dispute. |
If the customer reports that the figures don't match, you should move on to... debt reconciliation statement. Once both parties have agreed on the balance and need to record it formally, they can use... Sample debt confirmation form.
3. What information should a customer debt reminder include?
| Data group | Information should be included. | Purpose |
|---|---|---|
| Client | Customer/business name, contact person. | Send it to the right person responsible for handling it. |
| Accounts Receivable | Invoice/document number, issue date, contract or purchase order reference when needed. | Help customers quickly check the source of the problem. |
| Amount | Principal amount, amount paid, remaining balance. | Avoid repeating the full price when the customer has already paid a portion. |
| Duration | Due date, number of days overdue, date for requesting response/payment. | Clearly define the next step. |
| Pay | Accepted account, transfer details, or payment method. | Reduce friction when customers make payments. |
| Compare | Contact person, email, phone number. | Create a process for handling cases where the customer has paid or objects to outstanding debt. |
| Legal aspects, if any. | Late payment interest/penalties will only be imposed when there are appropriate grounds. | Avoid including vague or inaccurate legal information in the notice. |
4. What should I check before sending a debt reminder notice?
This is a step that's easily overlooked when businesses use Excel or send debt reminders manually. A notification with the right tone but sending the wrong amount that's already paid still degrades the customer experience.
5. How to remind customers about accounts receivable at different stages.
There isn't one fixed debt reminder schedule that works for every business. Here are some: reference calendar; The accounting/finance department should adjust based on the payment terms, receivables value, payment history, and risk level of each customer.
Before the due date
Remind them of the payment deadline, invoice, and amount. Use a friendly tone, aiming to help them proactively prepare.
Due date
Confirm due dates and request feedback if payment schedules change.
Newly expired
Check the payment status, then remind me of the balance and ask for the expected payment date.
Overdue
Switch to a formal email/notification, stating the contact history and the response timeframe.
Official processing
If there is repeated lack of response, consider sending a formal payment request and proceeding with the next recovery steps according to the company's contract/legal procedures.
The section on building a comprehensive recovery process should be included in the more in-depth article. debt collection process, Instead of expanding the entire debt recovery strategy within this URL.
6. How should we handle a situation where a customer objects to the amount owed?
When customers believe the amount is incorrect, that they have already paid, or that they have not received the full amount of goods/services, continuing to send the same debt collection message usually doesn't resolve the issue. It's better to shift the situation to a reconciliation process.
-
Note the reasons for the objection.
Classification: incorrect amount, incorrect invoice, missing documents, not yet accepted, already paid, offset, or other reasons.
-
Pause automatic debt reminder notifications if needed.
Avoid sending further overdue notices while the accounting/finance or sales department is verifying the discrepancies.
-
Compare records
Review contracts, invoices, delivery/acceptance records, payment documents, and bank reconciliation data.
-
Confirm new balance
After processing the discrepancies, updating the balance and payment schedule, then bringing the accounts receivable back into the appropriate reminder scenario.
7. What should I do if the customer makes a partial payment or reschedules the payment?
Partial payment
Record the amount collected, update the remaining balance, and only remind about the outstanding amount. This helps avoid sending notifications with the initial amount.
Payment commitment
Record the date the customer commits to paying, the amount, and the person confirming the payment. Before that date, do not continue sending the old overdue payment reminder script if both parties have agreed on a new schedule.
8. How should late payment interest and penalties for violations be stated in the notice?
There isn't a single percentage rate that applies to all accounts receivable. Before recording interest or penalties in the notice, businesses need to determine the nature of the transaction, the terms of the contract, and the relevant legal documents.
| Mechanism | Points to check | Note when including in the announcement |
|---|---|---|
| Interest due to late payment of obligations. | Articles 357 and 468 of the 2015 Civil Code, in cases falling within their scope of application. | Don't take a default rate and apply it to all contracts. |
| Interest due to late payments in trade | Article 306 of the 2005 Commercial Law and the agreement of the parties. | Commercial law uses the average market interest rate for overdue debts, unless otherwise agreed or stipulated by law. |
| Penalties for violations | The penalty clause has been agreed upon and the regulations apply to the transaction. | In transactions governed by Commercial Law, penalties for breach of contract are based on agreement; Article 301 stipulates a normal limit of no more than 8% of the value of the breached obligation, unless otherwise provided by law. |
9. Notes regarding customer data when sending debt reminders from 2026 onwards.
The Law on Personal Data Protection 91/2025/QH15 and Decree 356/2025/ND-CP both came into effect from January 1, 2026. Decree 356 requires that personal data be processed for its intended purpose and that its collection, transfer, and storage be limited in accordance with the purpose for which it is being processed.
- Only send debt information to the designated contact responsible for processing it.
- Do not post debt amounts, phone numbers, email addresses, or transaction history on unnecessary public groups/channels.
- When transferring accounts receivable data to a third party for processing, the basis and procedures for data transfer must be reviewed in accordance with applicable regulations.
- Limit the content of notifications to what is necessary for customers to identify the transaction and process the payment.
- Record sending/receiving history in accordance with the company's data security and storage policies.
10. Common mistakes when reminding customers about outstanding debts.
| Error | Why is there a problem? | How to fix |
|---|---|---|
| Send a payment reminder for the amount already paid. | Payments have not been reconciled or data updates are slow. | Check pending payments before sending them. |
| Use the same template for all customers. | It does not reflect the age of the debt, payment history, and risk level. | The payment categories are: due early, due, overdue, pending reconciliation, and committed to payment. |
| Just write "please pay your outstanding debts"“ | The customer doesn't know which invoice or amount needs to be processed. | Record the invoice, balance, due date, and reconciliation contact. |
| Automatically add penalty fees. | This may not be in accordance with the contract or applicable law. | Check separately for late payment interest and penalties for violations. |
| Continue reminding customers when they are disputing the balance. | Escalating conflict without addressing its root causes. | Move on to debt reconciliation and pause the appropriate scenario. |
| Sending too much data to the wrong people. | Increased risk of customer and transaction data leaks. | Apply the principle of minimum necessary and focus on the right points. |
11. When should I automate debt reminder notifications with Bizzi?
When the number of accounts receivable is small, businesses can track them using manual accounts receivable schedules and reminders. As the number of customers, invoices, and payment transactions increases, the requirements become more critical. Remind us of the correct amount, at the right time, and with the correct debt status..
| Demand | Manual tracking | Bizzi ARM support |
|---|---|---|
| Debt reminder | Filter the due dates yourself and send each email individually. | Activate the debt reminder process based on the due date or a pre-set time and scenario. |
| Accounts payable status | Many files need to be updated. | Manage invoices, contracts, and customers; update accounts receivable and payment status. |
| Priority for recall | It's difficult to see the big picture. | Monitor DSOs and aging reports to prioritize debt recovery groups. |
| Payment has arrived. | Manually check your bank statement. | Manage the list of pending payments and reconcile them with bank statements. |
| Recovery work | It depends on your personal schedule. | Create debt reminder tasks as part of the debt collection process. |
To monitor the effectiveness of debt collection at the management level, further information can be provided. DSO index and debt aging report.
Remind me of the correct amount, on time, and in the correct status.
When manual debt reminders begin to lead to misidentification, omissions, or difficulties in tracking history, businesses may consider evaluating a centralized accounts receivable management system.
12. Frequently Asked Questions about Customer Debt Reminder Notifications
What should a customer debt reminder notice include?
The following information should be included: customer/person in charge, invoice number or reference document, amount due, due date, date for requesting a response, payment method, and contact person.
What are some tactful ways to send debt collection messages to customers?
Prioritize specific information over pressure: state the invoice, balance, and due date; use neutral language; always leave room for customer feedback if payment has been made or figures don't match.
When should you send an email instead of a text message?
Email is suitable for attaching invoices, statements of accounts, documents, or for preserving a conversation with full context. Text messages are more suitable for short reminders before or on the due date.
How long after a customer's deadline should a letter be sent?
There is no single deadline for all businesses. The official processing time should be based on contract terms, debt amount, reminder history, customer feedback, and internal collection procedures.
Is interest charged for late payments?
The right to claim late payment interest may arise depending on the legal relationship and agreement. It is necessary to determine the correct legal basis, such as the Civil Code or the Commercial Law, before specifying the interest rate in the notice.
If there is no penalty agreement, will the penalty fee be included in the text message?
It is not advisable to arbitrarily add a general "penalty fee." In commercial transactions, penalties for breach of contract are based on agreement; late payment interest is a separate mechanism and needs to be examined separately.
What should I do if a customer has transferred the money but the transaction hasn't been verified yet?
Prioritize checking statements and payment documents before sending the next payment reminder. If payment is confirmed, update the status and stop the reminder scenario for that amount.
If the customer disagrees with the amount owed, should you continue to remind them?
It's advisable to switch to a reconciliation flow and pause the overdue payment reminder script until the correct balance is determined. Only then should the reminder content be updated to reflect the new status.
How should I write a payment reminder before the due date?
This should be called a payment reminder, stating the invoice, the amount, and the due date. Avoid using terms like "overdue" when the obligation is not yet due.
Should we automatically send debt reminders to all customers?
There should be exclusion or suspension conditions for payments that have been paid, are awaiting reconciliation, are in dispute, or have a new payment commitment. Good automation needs accurate status data.
