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Use a small, staged reminder schedule with clear overdue thresholds, a grace period, and a minimum interval between contacts. Suppress disputed or otherwise held accounts, and review recipients and proposed batches before sending. These controls can reduce avoidable reminders, but vendor documentation does not establish one universally effective schedule or prove a specific reduction in late payments.
Start with a staged overdue schedule
Set reminders according to how long an invoice has been overdue rather than sending the same notice repeatedly. A practical starting point is one courteous first reminder followed by one or two later escalation levels, each with a defined overdue-age threshold. Keep the number of stages small enough that a customer has time to act before the next message arrives.
The exact thresholds should reflect your payment terms, processing time, and customers’ payment practices. The product documentation describes ways to configure stages; it does not identify a best number of days for every business.
- Business Central: Reminder terms and levels control when notices issue. Levels can include a grace period intended to avoid reminders for invoices that have already been paid. Microsoft Learn: Set Up Reminder Terms and Levels.
- SAP receivables: Dunning levels can be based on days in arrears, with grace days and minimum-days-in-arrears settings described in SAP documentation. SAP Help: Dunning Frequency and Dunning Interval.
- Sage Intacct: Dunning levels can filter invoices by overdue-day and amount ranges, and each level can use a different template. Sage Intacct Help: Dunning overview.
Build in time for payment processing
A reminder can become unnecessary if a customer has paid but the payment has not yet appeared in the ledger or cleared the system’s eligibility checks. Configure a grace period before an invoice becomes eligible for a reminder, or after a prior stage, so that payment processing and account updates have time to catch up. Verify whether the grace period applies before the first reminder, between levels, or in another way in your specific product configuration.
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Business Central describes reminder-level grace periods as a way to avoid sending a reminder for a bill the customer has already paid. Its automated reminder settings also include an option concerning entries on hold, so check that setting rather than assuming held entries are automatically excluded. Reminder terms and levels and Automate reminders in collections.
Set a minimum interval between contacts
A threshold for each invoice does not necessarily prevent several invoices from triggering messages to the same customer close together. Where supported, add a minimum wait between contacts at the customer level, not just a delay tied to an individual invoice.
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- Dynamics 365 Finance: Collections process automation includes “quiet days” to limit how frequently the automated process contacts a customer. Microsoft Learn: Collections process automation.
- SAP: Dunning intervals set a minimum time before an account can be dunned again, even if overdue items remain. The applicable controls vary by SAP product and version; for example, SAP S/4HANA on-premise documentation identifies its version as 2025 FPS01 (February 2026). SAP Help: Dunning Frequency and Dunning Interval.
Suppress reminders for exceptions
Pause automated dunning when a reminder could be inappropriate or counterproductive. Common cases to review include disputed invoices, active payment arrangements, and sensitive customer situations. Use account- or item-level holds or blocks where available, and define who can remove them and when the account should be reviewed again.
SAP documents dunning blocks at the account or item level, which exclude blocked accounts or items from a dunning run. SAP Help: Dunning. In Business Central, confirm the automation setting for entries on hold before enabling a run; its behavior depends on the selected configuration. Microsoft Learn: Automate reminders in collections.
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Use pre-due notices selectively
A notice before the due date can give a customer time to arrange payment, but sending an early message at every process step can add noise. Use a pre-due notice only when it serves a clear purpose, and verify that it goes to the right accounts-payable contact.
Dynamics 365 Finance supports a pre-dunning step in a collections hierarchy and allows the email recipient to be configured. The documentation describes one pre-dunning step per hierarchy. Microsoft Learn: Collections process automation.
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Review the audience and message before sending
Automation should not mean sending without checking who will receive a notice and which invoices qualify. Start by reviewing proposed batches, then confirm the recipient data and templates at each level. Keep invoice details and contact records current so that a correctly timed reminder does not go to the wrong person.
- SAP Business ByDesign describes generating a proposal list that users can review and edit before notices are created. SAP Help: Dunning.
- Sage Intacct supports filtering by customer range, type, or group and choosing templates by dunning level. Sage Intacct Help: Dunning overview.
Compare the controls available in your platform
| Platform | Documented controls relevant to reminder frequency |
|---|---|
| Microsoft Dynamics 365 Business Central | Reminder terms and levels, grace periods, automation cadence, and settings for entries on hold. Sources: reminder terms and levels and automated reminders. |
| Microsoft Dynamics 365 Finance | Collections process strategies, one pre-dunning step per hierarchy, recipient configuration, and quiet days. Source: Collections process automation. |
| SAP receivables and dunning | Dunning levels, grace days, minimum days in arrears, run intervals, and account- or item-level blocks. Controls depend on SAP product and version. Sources: SAP S/4HANA on-premise, SAP receivables management, and SAP ERP 6.0 EHP8. |
| Sage Intacct | Dunning levels filtered by overdue days and invoice amounts, with different templates by level. Source: Dunning overview. |
Roll out the policy and check whether it works
- Define a limited sequence. Choose one initial overdue reminder and one or two later levels, each with a clear eligibility threshold.
- Add processing time. Configure a grace period that gives payments and ledger updates time to register before the next reminder becomes eligible.
- Limit contact frequency. Set a customer-level quiet period or dunning interval if your platform supports one.
- Document exceptions. Decide how disputes, payment arrangements, and sensitive cases are held or blocked, and assign responsibility for review.
- Check recipients and proposed notices. Review the batch during rollout and confirm the right customer contacts and level-specific templates.
- Monitor outcomes and adjust. Track late-payment aging alongside duplicate-contact complaints, opt-outs, and disputes. Change the timing based on your own results rather than treating a vendor default as an established optimum.
These settings are operational controls, not a proven collection formula. The vendor documentation cited here describes available features; it does not provide a controlled comparison showing that a particular cadence reduces late payments by a specific amount. Confirm exact behavior in your product edition and region before applying it.
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