diff --git a/ietf/liaisons/management/__init__.py b/ietf/liaisons/management/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/ietf/liaisons/management/commands/__init__.py b/ietf/liaisons/management/commands/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/ietf/liaisons/management/commands/remind_update_sdo_list.py b/ietf/liaisons/management/commands/remind_update_sdo_list.py
new file mode 100644
index 000000000..8bc669b04
--- /dev/null
+++ b/ietf/liaisons/management/commands/remind_update_sdo_list.py
@@ -0,0 +1,52 @@
+from optparse import make_option
+
+from django.conf import settings
+from django.core.mail import EmailMessage
+from django.core.management.base import BaseCommand
+from django.template.loader import render_to_string
+
+from ietf.liaisons.models import SDOs
+
+
+class Command(BaseCommand):
+    help = (u"Send a remind to each SDO Liaison Manager to update the list of persons authorized to send liaison statements on behalf of his SDO")
+    option_list = BaseCommand.option_list + (
+        make_option('-s', '--sdo-pk', dest='sdo_pk',
+                    help='Send the reminder to the SDO whith this primary key. If not provided reminder will be sent to all SDOs'),
+        )
+
+
+    def send_mail_to(self, person, sdo):
+        subject = 'Request for update list of authorized individuals'
+        email = person.email()[1]
+        name = ' '.join([i for i in (person.name_prefix, person.first_name, person.middle_initial, person.last_name, person.name_suffix) if i])
+        authorized_list = [i.person for i in sdo.sdoauthorizedindividual_set.all()]
+        body = render_to_string('liaisons/sdo_reminder.txt',
+                                {'manager_name': name,
+                                 'sdo_name': sdo.sdo_name,
+                                 'individuals': authorized_list,
+                                })
+        mail = EmailMessage(subject=subject,
+                            to=[email],
+                            from_email=settings.LIAISON_UNIVERSAL_FROM,
+                            body = body)
+        if not settings.DEBUG:
+            mail.send()
+            print '%05s#: %s Mail Sent!' % (sdo.pk, sdo.sdo_name)
+        else:
+            print '%05s#: %s Mail Not Sent because in DEBUG mode!' % (sdo.pk, sdo.sdo_name)
+        return
+
+    def handle(self, *args, **options):
+        query = SDOs.objects.all().order_by('pk')
+        sdo_pk = options.get('sdo_pk', None)
+        if sdo_pk:
+            query = query.filter(pk=sdo_pk)
+
+        for sdo in query:
+            manager = sdo.liaisonmanager()
+            if manager:
+                self.send_mail_to(manager.person, sdo)
+            else:
+                print '%05s#: %s has no liaison manager' % (sdo.pk, sdo.sdo_name)
+
diff --git a/ietf/templates/liaisons/sdo_reminder.txt b/ietf/templates/liaisons/sdo_reminder.txt
new file mode 100644
index 000000000..91110fc90
--- /dev/null
+++ b/ietf/templates/liaisons/sdo_reminder.txt
@@ -0,0 +1,21 @@
+Dear {{ manager_name }}
+
+This is an automatic reminder, please do not reply to this email.
+
+As liaison manager of {{ sdo_name }} you have to provide and updated list of persons who are authorized to send liaison statements on behalf of your SDO.
+
+Current list in our system for {{ sdo_name }} is:
+
+------
+{% for person in individuals %}
+{{ person.email.0 }} <{{ person.email.1 }}>
+{% endfor %}
+------
+
+Please fell free to add or remove individuals from the list and send it to the secretariat at statments@ietf.org.
+
+For any questions please contact statments@ietf.org.
+
+Thank you,
+
+The IETF Secretariat (statements@ietf.org)