diff --git a/src/collective/task/browser/add_information.py b/src/collective/task/browser/add_information.py
index aea75a5..bbce6e0 100644
--- a/src/collective/task/browser/add_information.py
+++ b/src/collective/task/browser/add_information.py
@@ -22,26 +22,35 @@ class AddInformation(DefaultAddForm):
             self.status = self.formErrorsMessage
             return
 
-        responsible = data['responsible'][0]
-        group = api.group.get(responsible)
-        if group is not None:
-            # responsible is a group, create an Information by user in this group
-            groupname = group.getId()
-            users = _recursiveGetMembersFromIds(portal, [groupname])
-            objs = []
-            for user in users:
-                username = user.getId()
+        objs = []
+        seen = {}
+        for responsible in data['responsible']:
+            group = api.group.get(responsible)
+            if group is not None:
+                # responsible is a group, create an Information by user in this group
+                groupname = group.getId()
+                users = _recursiveGetMembersFromIds(portal, [groupname])
+                for user in users:
+                    username = user.getId()
+                    if username in seen:
+                        continue
+                    _data = deepcopy(data)
+                    _data['responsible'] = [username]
+                    obj = self.createAndAdd(_data)
+                    if obj is not None:
+                        objs.append(obj)
+                        seen[username] = True
+            else:
+                # responsible is a user
+                if responsible in seen:
+                    continue
                 _data = deepcopy(data)
-                _data['responsible'] = [username]
+                _data['responsible'] = [responsible]
                 obj = self.createAndAdd(_data)
                 if obj is not None:
                     objs.append(obj)
-            if objs:
-                # mark only as finished if we get the new object
-                self._finishedAdd = True
-        else:
-            # responsible is a user
-            obj = self.createAndAdd(data)
-            if obj is not None:
-                # mark only as finished if we get the new object
-                self._finishedAdd = True
+                    seen[responsible] = True
+
+        if objs:
+            # mark only as finished if we get the new object
+            self._finishedAdd = True
diff --git a/src/collective/task/content/information.py b/src/collective/task/content/information.py
index 0373479..37bc587 100644
--- a/src/collective/task/content/information.py
+++ b/src/collective/task/content/information.py
@@ -1,4 +1,5 @@
 from zope.interface import implements
+from zope import schema
 
 from plone.autoform import directives as form
 from plone.dexterity.content import Item
@@ -6,11 +7,26 @@ from plone.directives.form import default_value
 
 from collective.task.interfaces import IBaseTask
 
+from collective.z3cform.rolefield.field import LocalRolesToPrincipals
+from collective.dms.basecontent.widget import AjaxChosenMultiFieldWidget
+
+from collective.task import _
 
 class IInformation(IBaseTask):
     """Schema for information"""
     form.mode(title='hidden')
 
+    responsible = LocalRolesToPrincipals(
+        title=_(u"Addressees"),
+        roles_to_assign=('Editor',),
+        value_type=schema.Choice(
+            vocabulary="dms.principals"
+        ),
+        min_length=1,
+        required=True,
+    )
+    form.widget(responsible=AjaxChosenMultiFieldWidget)
+
 
 class Information(Item):
     """Information content type"""