To create an invoice, click Reports on the top banner.

Then click Financial Reports on the left-hand side and click A/R Statements:

Click on Recall / Schedule:

Click Rental Services Invoice:

Click on Customer and find the customer you are invoicing:

The due date should be the event date.
In the Options drop-down Report Title should be "Invoice # R####
The invoice number is the permit number.

And click Run Report.

Save the Invoice in the P Drive:

And then name the file the Invoice # R_____
put in the correct folder:

And then send the invoice to the customer with the template, and be sure to fill out the Invoice Form.
Which can be found here: