The eBilling is a web application for vendors to bill VMRC. We will provide you with an enrollment form that is required to login and use eBilling as part of our vendorization process as this form serves as a binding agreement between the service provider and VMRC.  The California Department of Developmental Services maintains several webpages to answer any general questions you may have about the system:

If the eBilling system is down or not working, you change your billing information, or other technical questions, feel free to reach out to your VMRC billing contact.