diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/subcontract/UpdateDeliveringDateDTO.java b/libreplan-webapp/src/main/java/org/libreplan/web/subcontract/UpdateDeliveringDateDTO.java
index 0a5d139a5..467fd531f 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/subcontract/UpdateDeliveringDateDTO.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/subcontract/UpdateDeliveringDateDTO.java
@@ -19,15 +19,10 @@
 
 package org.libreplan.web.subcontract;
 
-import java.util.Date;
-
 import javax.xml.bind.annotation.XmlAttribute;
 import javax.xml.bind.annotation.XmlRootElement;
 import javax.xml.datatype.XMLGregorianCalendar;
 
-import org.libreplan.business.planner.entities.SubcontractedTaskData;
-import org.libreplan.ws.common.impl.DateConverter;
-
 /**
  * DTO UpdateDeliveringDate
  *
@@ -43,7 +38,7 @@ public class UpdateDeliveringDateDTO {
     public String externalCode;
 
     @XmlAttribute(name = "external-company-nif")
-    public String companyNif;
+    public String externalCompanyNif;
 
     @XmlAttribute(name = "deliver-date")
     public XMLGregorianCalendar deliverDate;
@@ -51,11 +46,12 @@ public class UpdateDeliveringDateDTO {
     public UpdateDeliveringDateDTO(){
     }
 
-    public UpdateDeliveringDateDTO(String customerReference,
-            String externalCode, String companyNif, XMLGregorianCalendar deliverDate) {
+    public UpdateDeliveringDateDTO(String externalCompanyNif,
+            String customerReference, String externalCode,
+            XMLGregorianCalendar deliverDate) {
         this.customerReference = customerReference;
         this.deliverDate = deliverDate;
-        this.companyNif = companyNif;
+        this.externalCompanyNif = externalCompanyNif;
         this.externalCode = externalCode;
     }
 }
diff --git a/libreplan-webapp/src/main/java/org/libreplan/ws/subcontract/impl/SubcontractServiceREST.java b/libreplan-webapp/src/main/java/org/libreplan/ws/subcontract/impl/SubcontractServiceREST.java
index c1b6f7e6c..b170b0afb 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/ws/subcontract/impl/SubcontractServiceREST.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/ws/subcontract/impl/SubcontractServiceREST.java
@@ -153,8 +153,8 @@ public class SubcontractServiceREST implements ISubcontractService {
     private void updateSubcontract(
             final UpdateDeliveringDateDTO updateDeliveringDateDTO) {
 
-        if (StringUtils.isEmpty(updateDeliveringDateDTO.companyNif)) {
-            throw new ViolationError(updateDeliveringDateDTO.companyNif,
+        if (StringUtils.isEmpty(updateDeliveringDateDTO.externalCompanyNif)) {
+            throw new ViolationError(updateDeliveringDateDTO.externalCompanyNif,
                     "external company Nif not specified");
         }
 
@@ -172,11 +172,11 @@ public class SubcontractServiceREST implements ISubcontractService {
                 .runOnTransaction(new IOnTransaction<ExternalCompany>() {
                     @Override
                     public ExternalCompany execute() {
-                        return findExternalCompanyFor(updateDeliveringDateDTO.companyNif);
+                        return findExternalCompanyFor(updateDeliveringDateDTO.externalCompanyNif);
                     }
                 });
         if (!externalCompany.isClient()) {
-            throw new ViolationError(updateDeliveringDateDTO.companyNif,
+            throw new ViolationError(updateDeliveringDateDTO.externalCompanyNif,
                     "external company is not registered as client");
         }
         try {
@@ -192,7 +192,7 @@ public class SubcontractServiceREST implements ISubcontractService {
         } catch (ValidationException e) {
             InstanceConstraintViolationsDTO violation = ConstraintViolationConverter
                     .toDTO(new InstanceConstraintViolationsDTOId(Long.valueOf(1),
-                            updateDeliveringDateDTO.companyNif, OrderDTO.ENTITY_TYPE), e);
+                            updateDeliveringDateDTO.externalCompanyNif, OrderDTO.ENTITY_TYPE), e);
             throw new ViolationError(violation);
         }
     }
diff --git a/libreplan-webapp/src/main/java/org/libreplan/ws/subcontract/impl/SubcontractedTaskDataConverter.java b/libreplan-webapp/src/main/java/org/libreplan/ws/subcontract/impl/SubcontractedTaskDataConverter.java
index 7ee6400e5..82775b84c 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/ws/subcontract/impl/SubcontractedTaskDataConverter.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/ws/subcontract/impl/SubcontractedTaskDataConverter.java
@@ -59,7 +59,7 @@ public final class SubcontractedTaskDataConverter {
              deliverDate = toXmlDate(subTaskData.getRequiredDeliveringDates().first().getSubcontractorDeliverDate());
         }
         String externalCode = subTaskData.getTask().getOrderElement().getCode();
-        return new UpdateDeliveringDateDTO(customerReference, externalCode, companyCode, deliverDate);
+        return new UpdateDeliveringDateDTO(companyCode, customerReference, externalCode, deliverDate);
     }
 
     private final static XMLGregorianCalendar toXmlDate(Date date) {