By reminding your customer about their due invoices will help you collect your payment in case your customer has forgot about it.&nbsp;<br /><br />To send the overdue notice, you can make use of Cron job scheduler. You can send the notifications manually or even automatically. <br /><br />How to send notices using Cron job<br /><br />To set up an automatic way of sending notices, follow the steps: <br />Setup -&gt; Settings -&gt; Cron Job -&gt; Invoices<br />You can send the overdue notice as the same day the invoice is overdue by setting the<span>Auto send reminder after</span>&nbsp;to 0. You can also set this reminder according to your needs. <br /><br />You can also resend the notices by using the&nbsp;<span>Auto re-send reminder after</span>. You can always stop the Cron from resending the notifications by keeping the second field as 0.<br /><br /><br />The overdue notices will be sent at the particular hour of the day you have set it to send, to send it you can follow:<br />Settings-&gt;Settings-&gt;Cron Job-&gt;Invoices.