If I am not under the Enterprise plan, can I gain access to HIPAA compliant mailings for an additional fee? The ability to send HIPAA compliant mailings is only available for Enterprise tier edition customers. To learn more about our Enterprise tier, please reach out to our Sales team. Related articles Are any mailpieces included with the Platform Fee? How does billing for Lob's editions work? What happens if I upgrade in the middle of a month? Will I be forced to upgrade if I am under an old, “grandfathered” price plan? I’m currently on a Lob volume-based subscription. Can I still remain on an old, “grandfathered” pricing plan?