If you want to add a purchase order (PO) number to your invoice, please follow the next steps:

1. Go to FLEET GROUPS.
2. Please search for the fleet group you want to edit.
3. Click on the name of the fleet group or click on the three dots and View Group.  
4. A sidebar on the right-hand side will open.
5. Please go to Invoice Details and click on the pencil to edit .
6. At the bottom, you will have two free text fields to add your purchase order (PO) number that will be displayed in the invoice. Feel free to add any other information that you need to have on your invoice. 
7. Once you click on Save changes, the information will be displayed in your next invoice.