# 9.3.1 Recurring billing from Sales Order

It is possible to activate the automatic generation of invoices from the sales order through the options in the Recurring Billing Information block.

[![9.3.1 [1].png](https://usermanual.vtenext.com/uploads/images/gallery/2022-06/scaled-1680-/kNq9-3-1-1.png)](https://usermanual.vtenext.com/uploads/images/gallery/2022-06/kNq9-3-1-1.png)

<table border="1" cellpadding="0" cellspacing="0" class="t1" id="bkmrk-abilita-ricorrenza-s" style="width: 100%; background-color: #ebf7ff;"><tbody><tr><td class="td1" style="width: 152px; vertical-align: middle;" valign="top">**Enable Recurring**

</td><td class="td1" style="width: 647px; vertical-align: middle;" valign="top">Tick to enable automatic invoice generation from the sales order, after creating the first invoice

</td></tr><tr><td class="td1" style="width: 152px; vertical-align: middle;" valign="top">**Frequency**

</td><td class="td1" style="width: 647px; vertical-align: middle;" valign="top">Daily, weekly, monthly

</td></tr><tr><td class="td1" style="width: 152px; vertical-align: middle;" valign="top">**Start Period**

</td><td class="td1" style="width: 647px; vertical-align: middle;" valign="top">When the recurring billing will start

</td></tr><tr><td class="td1" style="width: 152px; vertical-align: middle;" valign="top">**End Date**

</td><td class="td1" style="width: 647px; vertical-align: middle;" valign="top">When the recurring billing will end

</td></tr><tr><td class="td1" style="width: 152px; vertical-align: middle;" valign="top">**Payment Duration**

</td><td class="td1" style="width: 647px; vertical-align: middle;" valign="top">Indicate duration

</td></tr><tr><td class="td1" style="width: 152px; vertical-align: middle;" valign="top">**Invoice Status**

</td><td class="td1" style="width: 647px; vertical-align: middle;" valign="top">The status that auto-generated invoices will assume by default

</td></tr></tbody></table>

**Warning!** For recurring billing it is necessary to enable the CRON of the server on which vtenext is installed! See the relevant paragraph: CRONJOB – Processes to plan.