It's very simple to add a P.O number to your invoice!
Go to your Account from the menu under your name, or your Team's name.
On the left of the screen, select Transaction History
On the relevant booking, you can click Add P.O
Add the the P.O and click Save
The number will appear in the box, and on your invoice. You can view, print or download your invoice by clicking View.
And that's it! You're done.
If you have more questions or doubts, please contact us at firstname.lastname@example.org or click the messaging button on the bottom-right corner, we are always happy to help you!