Billing Support

Vendor and W-9 Forms

If your school needs a W-9 form, please email with your request.

If your school requires a vendor form in order to purchase WebAssign, you may submit your vendor form by fax, email, or postal mail.

Fax: 800.487.8488

C/O Kerri Hurst
10650 Toebben Drive
Independence, KY 41095

Bill Institution

If the school is paying for WebAssign, there are additional steps that need be completed at course set up. Follow these directions to set up this method of payment.

If your school requires a quote, please email us at

If you are paying by PO, please request it as soon as possible so we have your PO number prior to billing. The PO should be faxed to 800.487.8488 or emailed to

We will calculate the total bill and send an invoice later in the semester. Please note that prices are subject to change between the time that quotes are issued, and the order is placed.

Request a Receipt

We can provide a receipt for your WebAssign purchase upon request. Please email us at with your request and include your name and institution. Our accounting department will respond to your inquiry during regular business hours (Monday-Friday 9 a.m.–5 p.m. ET).