diff --git a/connector-api/src/main/java/it/pagopa/selfcare/external_interceptor/connector/model/institution/BillingToSend.java b/connector-api/src/main/java/it/pagopa/selfcare/external_interceptor/connector/model/institution/BillingToSend.java
new file mode 100644
index 0000000..f9b3af5
--- /dev/null
+++ b/connector-api/src/main/java/it/pagopa/selfcare/external_interceptor/connector/model/institution/BillingToSend.java
@@ -0,0 +1,10 @@
+package it.pagopa.selfcare.external_interceptor.connector.model.institution;
+
+import lombok.Data;
+
+@Data
+public class BillingToSend {
+    private String vatNumber;
+    private String recipientCode;
+    private boolean publicService;
+}
diff --git a/connector-api/src/main/java/it/pagopa/selfcare/external_interceptor/connector/model/institution/NotificationToSend.java b/connector-api/src/main/java/it/pagopa/selfcare/external_interceptor/connector/model/institution/NotificationToSend.java
index 10b7b09..32d0446 100644
--- a/connector-api/src/main/java/it/pagopa/selfcare/external_interceptor/connector/model/institution/NotificationToSend.java
+++ b/connector-api/src/main/java/it/pagopa/selfcare/external_interceptor/connector/model/institution/NotificationToSend.java
@@ -21,7 +21,7 @@ public class NotificationToSend {
     private InstitutionToSend institution;
     private String fileName;
     private String contentType;
-    private Billing billing;
+    private BillingToSend billing;
     private UserToSend user;
 
 }
diff --git a/connector/kafka-manager/src/test/java/it/pagopa/selfcare/external_interceptor/connector/kafka_manager/factory/SendSapNotificationTest.java b/connector/kafka-manager/src/test/java/it/pagopa/selfcare/external_interceptor/connector/kafka_manager/factory/SendSapNotificationTest.java
index 078962b..78571b5 100644
--- a/connector/kafka-manager/src/test/java/it/pagopa/selfcare/external_interceptor/connector/kafka_manager/factory/SendSapNotificationTest.java
+++ b/connector/kafka-manager/src/test/java/it/pagopa/selfcare/external_interceptor/connector/kafka_manager/factory/SendSapNotificationTest.java
@@ -248,6 +248,7 @@ void sendInstitutionNotificationUo() throws JsonProcessingException {
         NotificationToSend captured = mapper.readValue(producerRecordArgumentCaptor.getValue().value(), NotificationToSend.class);
         checkNotNullFields(captured, "user");
         checkNotNullFields(captured.getInstitution());
+        assertEquals("setTaxCodeInvoicing", captured.getInstitution().getTaxCode());
     }
 
     @Test