QB Issue Resolution:
Go to Transactions (left panel) > choose Sales > click Overdue > select the Invoice you would like to send > on the Action column, choose Send from the drop-down.
To check if the customer viewed or opened up the invoice, go to Transactions (left panel) > choose Sales > click Open Invoices > on the Status column, it will be displayed either it is Viewed or Opened.
Resolution for Issue 'How can QBO send late payment reminders to customers?' available: Yes (Solved).
Source: Intuit Community forum.
How can QBO send late payment reminders to customers?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for Late payment reminders
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!
Error Recovery for Late payment reminders [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.
Additional Support Options: