diff --git a/apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/service/OnboardingService.java b/apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/service/OnboardingService.java
index 488541ce9..f6e9fb46a 100644
--- a/apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/service/OnboardingService.java
+++ b/apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/service/OnboardingService.java
@@ -40,8 +40,8 @@
 import java.util.Optional;
 import java.util.stream.Collectors;
 
-import static it.pagopa.selfcare.onboarding.utils.Utils.ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS;
 import static it.pagopa.selfcare.onboarding.utils.Utils.CONTRACT_FILENAME_FUNC;
+import static it.pagopa.selfcare.onboarding.utils.Utils.NOT_ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS;
 
 @ApplicationScoped
 public class OnboardingService {
@@ -283,7 +283,7 @@ private Document createQuery(String productId, List<OnboardingStatus> status, St
         query.append("productId", productId);
         query.append("status", new Document("$in", status.stream().map(OnboardingStatus::name).toList()));
         if (workflowTypeExist) {
-            query.append(WORKFLOW_TYPE, new Document("$in", ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS.stream().map(Enum::name).toList()));
+            query.append(WORKFLOW_TYPE, new Document("$nin", NOT_ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS.stream().map(Enum::name).toList()));
         } else {
             query.append(WORKFLOW_TYPE, new Document("$exists", false));
         }
@@ -325,7 +325,7 @@ private Document createQueryByFilters(ResendNotificationsFilters filters) {
         }
 
         List<Document> workflowCriteria = new ArrayList<>();
-        workflowCriteria.add(new Document(WORKFLOW_TYPE, new Document("$in", ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS.stream().map(Enum::name).toList())));
+        workflowCriteria.add(new Document(WORKFLOW_TYPE, new Document("$nin", NOT_ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS.stream().map(Enum::name).toList())));
         workflowCriteria.add(new Document(WORKFLOW_TYPE, new Document("$exists", false)));
         query.append("$or", workflowCriteria);
         return query;
diff --git a/apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/utils/Utils.java b/apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/utils/Utils.java
index 53e2447d8..22250aac8 100644
--- a/apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/utils/Utils.java
+++ b/apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/utils/Utils.java
@@ -24,12 +24,9 @@ private Utils() { }
     public static final BinaryOperator<String> CONTRACT_FILENAME_FUNC =
             (filename, productName) -> String.format(filename, StringUtils.stripAccents(productName.replaceAll("\\s+","_")));
 
-    public static final List<WorkflowType> ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS = List.of(
-            WorkflowType.CONFIRMATION,
-            WorkflowType.FOR_APPROVE,
-            WorkflowType.IMPORT,
-            WorkflowType.CONTRACT_REGISTRATION,
-            WorkflowType.FOR_APPROVE_PT
+    public static final List<WorkflowType> NOT_ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS = List.of(
+            WorkflowType.USERS,
+            WorkflowType.USERS_IMPORT
     );
 
     public static Onboarding readOnboardingValue(ObjectMapper objectMapper, String onboardingString) {
@@ -87,7 +84,7 @@ public static AckPayloadRequest readAckPayloadValue(ObjectMapper objectMapper, S
     }
 
     public static boolean isNotInstitutionOnboarding(Onboarding onboarding) {
-        return Objects.nonNull(onboarding.getWorkflowType()) && !ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS.contains(onboarding.getWorkflowType());
+        return Objects.nonNull(onboarding.getWorkflowType()) && NOT_ALLOWED_WORKFLOWS_FOR_INSTITUTION_NOTIFICATIONS.contains(onboarding.getWorkflowType());
     }
 
     public static String getOnboardingAggregateString(ObjectMapper objectMapper, OnboardingAggregateOrchestratorInput onboarding) {