diff --git a/web/src/main/java/it/pagopa/selfcare/mscore/web/controller/InstitutionController.java b/web/src/main/java/it/pagopa/selfcare/mscore/web/controller/InstitutionController.java
index cc523d7e..003c47cb 100644
--- a/web/src/main/java/it/pagopa/selfcare/mscore/web/controller/InstitutionController.java
+++ b/web/src/main/java/it/pagopa/selfcare/mscore/web/controller/InstitutionController.java
@@ -1,10 +1,6 @@
 package it.pagopa.selfcare.mscore.web.controller;
 
-import io.swagger.annotations.Api;
-import io.swagger.annotations.ApiOperation;
-import io.swagger.annotations.ApiParam;
-import io.swagger.annotations.ApiResponse;
-import io.swagger.annotations.ApiResponses;
+import io.swagger.annotations.*;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import io.swagger.v3.oas.annotations.tags.Tags;
 import it.pagopa.selfcare.commons.base.security.SelfCareUser;
@@ -15,7 +11,10 @@
 import it.pagopa.selfcare.mscore.core.OnboardingService;
 import it.pagopa.selfcare.mscore.model.institution.*;
 import it.pagopa.selfcare.mscore.web.model.institution.*;
-import it.pagopa.selfcare.mscore.web.model.mapper.*;
+import it.pagopa.selfcare.mscore.web.model.mapper.BrokerMapper;
+import it.pagopa.selfcare.mscore.web.model.mapper.InstitutionMapperCustom;
+import it.pagopa.selfcare.mscore.web.model.mapper.InstitutionResourceMapper;
+import it.pagopa.selfcare.mscore.web.model.mapper.OnboardingResourceMapper;
 import it.pagopa.selfcare.mscore.web.model.onboarding.OnboardedProducts;
 import it.pagopa.selfcare.mscore.web.util.CustomExceptionMessage;
 import lombok.extern.slf4j.Slf4j;
diff --git a/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionOnboardingRequest.java b/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionOnboardingRequest.java
index 61d5ae5e..12497748 100644
--- a/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionOnboardingRequest.java
+++ b/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionOnboardingRequest.java
@@ -3,7 +3,7 @@
 import lombok.Data;
 
 import javax.validation.constraints.NotEmpty;
-import java.time.LocalDateTime;
+import java.time.OffsetDateTime;
 
 @Data
 public class InstitutionOnboardingRequest {
@@ -15,7 +15,7 @@ public class InstitutionOnboardingRequest {
     private String contractPath;
     private String pricingPlan;
     private BillingRequest billing;
-    private LocalDateTime activatedAt;
+    private OffsetDateTime activatedAt;
     private Boolean isAggregator;
 
 }
diff --git a/web/src/main/java/it/pagopa/selfcare/mscore/web/model/mapper/OnboardingResourceMapper.java b/web/src/main/java/it/pagopa/selfcare/mscore/web/model/mapper/OnboardingResourceMapper.java
index 65af7a0b..c6eb299d 100644
--- a/web/src/main/java/it/pagopa/selfcare/mscore/web/model/mapper/OnboardingResourceMapper.java
+++ b/web/src/main/java/it/pagopa/selfcare/mscore/web/model/mapper/OnboardingResourceMapper.java
@@ -37,7 +37,7 @@ default Boolean mapSignContract(Boolean signContract) {
     }
 
     @Mapping(target = "contract", source = "contractPath")
-    @Mapping(target = "createdAt", source = "activatedAt", qualifiedByName = "toOffsetDateTime")
+    @Mapping(target = "createdAt", source = "activatedAt")
     Onboarding toOnboarding(InstitutionOnboardingRequest onboardingRequest);
 
     @Named("toOffsetDateTime")