Step 1: Click on the billing link.
Step 2: Enter the email address of the person responsible for billing. This may or may not be your email. The portal will send an email with a link to log in. Check your spam if you don’t see it.
Step 3: Check your inbox for the email and click the link to log in.
Step 4: Click to open the invoice you are inquiring about.
Step 5: Click on the "download button" and choose to download the invoice and or the receipt which shows it has been paid.