> For the complete documentation index, see [llms.txt](https://guide.eprocessify.com/invoices/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.eprocessify.com/invoices/reminders.md).
# Reminders
**Email Reminders:-**
The email reminders operate on three bases:
1. **Before Due Date:** This function triggers when the invoice has been generated and sent to the customer. They will receive an email reminder a specified number of days (customizable) before the due date.
2. **On the Due Date:** This function activates upon the creation and sending of the invoice to the customer. They will receive the email reminder on the due date itself.
3. **After Due Date:** This feature activates when the invoice has been created and sent to the customer. If payment has not been received after the due date, the customer will receive a reminder a specified number of days (customizable) after the due date.
These are the 3 Basis of Email Reminder.
