diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignCommand.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignCommand.java
index 6fbdfc222..26de97726 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignCommand.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignCommand.java
@@ -21,6 +21,7 @@ package org.navalplanner.web.planner.reassign;
 
 import static org.navalplanner.business.i18n.I18nHelper._;
 
+import org.apache.commons.lang.Validate;
 import org.navalplanner.business.planner.entities.TaskElement;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.annotation.Scope;
@@ -35,9 +36,23 @@ import org.zkoss.ganttz.extensions.IContext;
 @Scope(BeanDefinition.SCOPE_PROTOTYPE)
 public class ReassignCommand implements IReassignCommand {
 
+    public interface IConfigurationResult {
+        public void result(ReassignConfiguration configuration);
+    }
+
     @Override
     public void doAction(IContext<TaskElement> context) {
-        ReassignController.openOn(context.getRelativeTo());
+        ReassignController.openOn(context.getRelativeTo(),
+                new IConfigurationResult() {
+                    @Override
+                    public void result(ReassignConfiguration configuration) {
+                        doReassignation(configuration);
+                    }
+                });
+    }
+
+    private void doReassignation(ReassignConfiguration configuration) {
+        Validate.notNull(configuration);
     }
 
     @Override
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignConfiguration.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignConfiguration.java
new file mode 100644
index 000000000..bfb6b16a8
--- /dev/null
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignConfiguration.java
@@ -0,0 +1,71 @@
+/*
+ * This file is part of ###PROJECT_NAME###
+ *
+ * Copyright (C) 2009 Fundación para o Fomento da Calidade Industrial e
+ *                    Desenvolvemento Tecnolóxico de Galicia
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.navalplanner.web.planner.reassign;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.lang.Validate;
+import org.joda.time.LocalDate;
+import org.navalplanner.web.planner.reassign.ReassignController.Type;
+import org.zkoss.ganttz.data.Task;
+
+/**
+ * @author Óscar González Fernández <ogonzalez@igalia.com>
+ *
+ */
+public class ReassignConfiguration {
+
+    public static ReassignConfiguration create(Type type,
+            LocalDate date) {
+        return new ReassignConfiguration(type, date);
+    }
+
+    private ReassignController.Type type;
+
+    private LocalDate date;
+
+    private ReassignConfiguration(ReassignController.Type type, LocalDate date) {
+        this.type = type;
+        Validate.isTrue(!type.needsAssociatedDate() || date != null);
+        this.date = date == null ? new LocalDate() : date;
+    }
+
+    public List<Task> filterForReassignment(List<Task> list) {
+        List<Task> result = new ArrayList<Task>();
+        for (Task each : list) {
+            if (each.isLeaf() && isChoosenForReassignation(each)) {
+                result.add(each);
+            }
+        }
+        return result;
+    }
+
+    private boolean isChoosenForReassignation(Task each) {
+        return type == Type.ALL || isAfterDate(each);
+    }
+
+    private boolean isAfterDate(Task each) {
+        LocalDate start = LocalDate.fromDateFields(each.getBeginDate());
+        LocalDate end = LocalDate.fromDateFields(each.getEndDate());
+        return start.compareTo(date) > 0 || end.compareTo(date) > 0;
+    }
+
+}
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignController.java
index 640cead0d..14b64251e 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/reassign/ReassignController.java
@@ -25,6 +25,8 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
 
+import org.joda.time.LocalDate;
+import org.navalplanner.web.planner.reassign.ReassignCommand.IConfigurationResult;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.annotation.Scope;
 import org.springframework.stereotype.Component;
@@ -105,12 +107,13 @@ public class ReassignController extends GenericForwardComposer {
 
     }
 
-    public static void openOn(org.zkoss.zk.ui.Component component) {
+    public static void openOn(org.zkoss.zk.ui.Component component,
+            IConfigurationResult configurationResult) {
         Window result = (Window) Executions.createComponents(
                 "/planner/reassign.zul", component, Collections.emptyMap());
         ReassignController controller = (ReassignController) result
                 .getAttribute("controller");
-        controller.showWindow();
+        controller.showWindow(configurationResult);
     }
 
     private Window window;
@@ -123,7 +126,10 @@ public class ReassignController extends GenericForwardComposer {
 
     private Type currentType = Type.ALL;
 
-    private void showWindow() {
+    private IConfigurationResult configurationResult;
+
+    private void showWindow(IConfigurationResult configurationResult) {
+        this.configurationResult = configurationResult;
         try {
             window.setMode("modal");
         } catch (InterruptedException e) {
@@ -192,6 +198,11 @@ public class ReassignController extends GenericForwardComposer {
             }
         }
         window.setVisible(false);
+        LocalDate associatedDate = this.associatedDate.getValue() != null ? LocalDate
+                .fromDateFields(this.associatedDate.getValue())
+                : null;
+        configurationResult.result(ReassignConfiguration
+                .create(currentType, associatedDate));
     }
 
     public void cancel() {