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 459c7e43e..06a41da04 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
@@ -353,7 +353,7 @@ public ResponseEntity<InstitutionResponse> updateInstitution(@ApiParam("${swagge
     @ApiOperation(value = "${swagger.mscore.onboarding.users}", notes = "${swagger.mscore.onboarding.users}")
     @PostMapping(value = "/{id}/onboarding")
     public ResponseEntity<InstitutionResponse> onboardingInstitution(@RequestBody @Valid InstitutionOnboardingRequest request,
-                                                      @PathVariable("id") String id) {
+                                                                     @PathVariable("id") String id) {
         CustomExceptionMessage.setCustomMessage(GenericError.ONBOARDING_OPERATION_ERROR);
         List<UserToOnboard> usersToOnboard = Optional.ofNullable(request.getUsers())
                 .map(users -> users.stream().map(userMapper::toUserToOnboard).toList())
diff --git a/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionRequest.java b/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionRequest.java
index 3a614d7d5..7ee16e7cf 100644
--- a/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionRequest.java
+++ b/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionRequest.java
@@ -24,7 +24,6 @@ public class InstitutionRequest {
     private String country;
     private String taxCode;
     private String ivassCode;
-
     private BillingRequest billing;
     private List<OnboardingRequest> onboarding;
     private List<GeoTaxonomies> geographicTaxonomies;
diff --git a/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionResponse.java b/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionResponse.java
index 3ec25b1f9..f87cca22d 100644
--- a/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionResponse.java
+++ b/web/src/main/java/it/pagopa/selfcare/mscore/web/model/institution/InstitutionResponse.java
@@ -25,7 +25,6 @@ public class InstitutionResponse {
     private String digitalAddress;
     private String address;
     private String zipCode;
-    @NotBlank
     private String taxCode;
     private String city;
     private String county;
diff --git a/web/src/test/java/it/pagopa/selfcare/mscore/web/controller/OnboardingControllerTest.java b/web/src/test/java/it/pagopa/selfcare/mscore/web/controller/OnboardingControllerTest.java
index 39a99fbb0..829bb2f82 100644
--- a/web/src/test/java/it/pagopa/selfcare/mscore/web/controller/OnboardingControllerTest.java
+++ b/web/src/test/java/it/pagopa/selfcare/mscore/web/controller/OnboardingControllerTest.java
@@ -1,7 +1,6 @@
 package it.pagopa.selfcare.mscore.web.controller;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import it.pagopa.selfcare.commons.base.security.PartyRole;
 import it.pagopa.selfcare.commons.base.security.SelfCareUser;
 import it.pagopa.selfcare.commons.base.utils.InstitutionType;
 import it.pagopa.selfcare.mscore.core.OnboardingService;
@@ -11,14 +10,8 @@
 import it.pagopa.selfcare.mscore.model.institution.InstitutionUpdate;
 import it.pagopa.selfcare.mscore.model.institution.PaymentServiceProvider;
 import it.pagopa.selfcare.mscore.model.onboarding.ResourceResponse;
-import it.pagopa.selfcare.mscore.web.model.institution.BillingRequest;
-import it.pagopa.selfcare.mscore.web.model.institution.DataProtectionOfficerRequest;
-import it.pagopa.selfcare.mscore.web.model.institution.InstitutionUpdateRequest;
-import it.pagopa.selfcare.mscore.web.model.institution.PaymentServiceProviderRequest;
 import it.pagopa.selfcare.mscore.web.model.mapper.*;
-import it.pagopa.selfcare.mscore.web.model.onboarding.ContractRequest;
 import it.pagopa.selfcare.mscore.web.model.onboarding.OnboardingInstitutionOperatorsRequest;
-import it.pagopa.selfcare.mscore.web.model.onboarding.OnboardingInstitutionRequest;
 import it.pagopa.selfcare.mscore.web.model.onboarding.OnboardingInstitutionUsersRequest;
 import it.pagopa.selfcare.mscore.web.model.user.Person;
 import org.junit.jupiter.api.BeforeEach;
@@ -203,52 +196,6 @@ void testGetOnboardingDocument2() throws Exception {
                 .andExpect(MockMvcResultMatchers.content().string(""));
     }
 
-    private OnboardingInstitutionRequest createOnboardingInstitutionRequest() {
-        BillingRequest billingRequest = new BillingRequest();
-        billingRequest.setPublicServices(true);
-        billingRequest.setRecipientCode("Recipient Code");
-        billingRequest.setVatNumber("42");
-
-        ContractRequest contractRequest = new ContractRequest();
-        contractRequest.setPath("Path");
-        contractRequest.setVersion("1.0.2");
-
-        InstitutionUpdateRequest institutionUpdate = new InstitutionUpdateRequest();
-        institutionUpdate.setAddress("42 Main St");
-        institutionUpdate.setDescription("The characteristics of someone or something");
-        institutionUpdate.setDigitalAddress("42 Main St");
-        List<String> geographicTaxonomiesList = new ArrayList<>();
-        institutionUpdate.setGeographicTaxonomyCodes(geographicTaxonomiesList);
-        institutionUpdate.setInstitutionType(InstitutionType.GSP);
-        institutionUpdate.setTaxCode("Tax Code");
-        institutionUpdate.setZipCode("21654");
-        institutionUpdate.setPaymentServiceProvider(new PaymentServiceProviderRequest());
-        institutionUpdate.setDataProtectionOfficer(new DataProtectionOfficerRequest());
-
-        Person person = new Person();
-        person.setId("42");
-        person.setName("Name");
-        person.setProductRole("Product Role");
-        person.setRole(PartyRole.MANAGER);
-        person.setSurname("Doe");
-        person.setTaxCode("Tax Code");
-
-        ArrayList<Person> personList = new ArrayList<>();
-        personList.add(person);
-
-        OnboardingInstitutionRequest onboardingInstitutionRequest = new OnboardingInstitutionRequest();
-        onboardingInstitutionRequest.setUsers(personList);
-        onboardingInstitutionRequest.setBilling(billingRequest);
-        onboardingInstitutionRequest.setContract(contractRequest);
-        onboardingInstitutionRequest.setInstitutionExternalId("42");
-        onboardingInstitutionRequest.setInstitutionUpdate(institutionUpdate);
-        onboardingInstitutionRequest.setPricingPlan("Pricing Plan");
-        onboardingInstitutionRequest.setProductId("42");
-        onboardingInstitutionRequest.setProductName("Product Name");
-
-        return onboardingInstitutionRequest;
-    }
-
     /**
      * Method under test: {@link OnboardingController#onboardingInstitutionOperators(OnboardingInstitutionOperatorsRequest, Authentication)}
      */