diff --git a/components/schemas/billing/invoices/Invoice.yml b/components/schemas/billing/invoices/Invoice.yml
index 56b02d59..84f533c6 100644
--- a/components/schemas/billing/invoices/Invoice.yml
+++ b/components/schemas/billing/invoices/Invoice.yml
@@ -15,6 +15,10 @@ properties:
     "$ref": "../../ID.yml"
   hub_id:
     "$ref": "../../HubID.yml"
+  billing_contact:
+    oneOf:
+      - $ref: ../../hubs/HubBillingContact.yml
+      - type: "null"
   approved:
     type: boolean
     description: A boolean where true represents the invoice is approved for collection.
diff --git a/components/schemas/hubs/HubBillingContact.yml b/components/schemas/hubs/HubBillingContact.yml
new file mode 100644
index 00000000..c3f538d7
--- /dev/null
+++ b/components/schemas/hubs/HubBillingContact.yml
@@ -0,0 +1,17 @@
+title: HubBillingContact
+type: object
+description: The contact to whom invoices are billed.
+required:
+  - name
+  - legal_business_name
+  - tax_id
+properties:
+  name:
+    type: string
+    description: The name of the billing contact.
+  legal_business_name:
+    type: string
+    description: The legal business name of the billing contact.
+  tax_id:
+    type: string
+    description: The legal tax ID of the billing contact, if applicable.
diff --git a/components/schemas/hubs/HubBillingProfile.yml b/components/schemas/hubs/HubBillingProfile.yml
index 2092fc5c..d411b4e7 100644
--- a/components/schemas/hubs/HubBillingProfile.yml
+++ b/components/schemas/hubs/HubBillingProfile.yml
@@ -42,3 +42,5 @@ properties:
     items:
       type: string
     description: An array of email addresses to whom the billing invoices will be sent to. If left empty, they will be sent to the owner of this hub.
+  contact:
+    $ref: HubBillingContact.yml
diff --git a/platform/paths/hubs/hub.yml b/platform/paths/hubs/hub.yml
index 0c977722..e6ec8312 100644
--- a/platform/paths/hubs/hub.yml
+++ b/platform/paths/hubs/hub.yml
@@ -56,6 +56,25 @@ patch:
               $ref: ../../../components/schemas/hubs/HubWebhooks.yml
             security:
               $ref: ../../../components/schemas/hubs/HubSecurity.yml
+            identifier:
+              type: string
+            billing_contact:
+              oneOf:
+                - type: object
+                  properties:
+                    name:
+                      type:
+                        - string
+                        - "null"
+                    legal_business_name:
+                      type:
+                        - string
+                        - "null"
+                    tax_id:
+                      type:
+                        - string
+                        - "null"
+                - type: "null"
   responses:
     200:
       description: Returns the updated Hub resource.