diff --git a/themis/fields/__init__.py b/themis/fields/__init__.py
index 1d8f9e0..90f29e8 100644
--- a/themis/fields/__init__.py
+++ b/themis/fields/__init__.py
@@ -26,6 +26,7 @@ from themis.fields.interfaces import IDateOnly
 from themis.fields.interfaces import IRadioChoice
 from themis.fields.interfaces import ISubjects, ILegisSession, IList
 from themis.fields.interfaces import IRelatedDoc
+from themis.fields.interfaces import IMailRefId
 
 from themis.fields.vocabs import SubjectsSource
 from themis.fields.vocabs import LegislativeSessionsSource
@@ -352,3 +353,8 @@ class RelatedDoc(Relation):
         clone.vocabulary = self.vocabulary(object)
         return clone
 
+
+class MailRefId(Field):
+    implements(IMailRefId)
+
+
diff --git a/themis/fields/editors.py b/themis/fields/editors.py
index d3abd8a..cad3f68 100644
--- a/themis/fields/editors.py
+++ b/themis/fields/editors.py
@@ -13,6 +13,7 @@ from themis.fields import Deputy, Deputies
 from themis.fields import Ministry, Ministries
 from themis.fields import DeputyOrMinistry, DeputiesOrMinistries
 from themis.fields import RelatedDoc
+from themis.fields import MailRefId
 from plone.schemaeditor.fields import FieldFactory
 
 @interface.implementer(editor_ifaces.IFieldEditFormSchema)
@@ -44,3 +45,5 @@ DateOnlyFactory = FieldFactory(DateOnly, u'Date')
 RadioChoiceFactory = FieldFactory(RadioChoice, u'Choice (radio)', values=[])
 
 RelatedDocFactory = FieldFactory(RelatedDoc, u'Related Document')
+
+MailRefIdFactory = FieldFactory(MailRefId, u'Mail Reference')
diff --git a/themis/fields/editors.zcml b/themis/fields/editors.zcml
index 159af36..1a15aff 100644
--- a/themis/fields/editors.zcml
+++ b/themis/fields/editors.zcml
@@ -77,4 +77,9 @@
         component=".editors.RelatedDocFactory"
         />
 
+    <utility
+        name="themis.fields.MailRefId"
+        component=".editors.MailRefIdFactory"
+        />
+
 </configure>
diff --git a/themis/fields/handlers.py b/themis/fields/handlers.py
index 28a1fc9..1b83b8b 100644
--- a/themis/fields/handlers.py
+++ b/themis/fields/handlers.py
@@ -22,6 +22,7 @@ if HAVE_SUPERMODEL:
     from themis.fields import Contact, Contacts
     from themis.fields import LegisSession
     from themis.fields import RelatedDoc
+    from themis.fields import MailRefId
 
     class CommissionHandler_(BaseHandler):
         pass
@@ -98,4 +99,9 @@ if HAVE_SUPERMODEL:
 
     RelatedDocHandler = RelatedDocHandler_(RelatedDoc)
 
+    class MailRefIdHandler_(BaseHandler):
+        pass
+
+    MailRefIdHandler = MailRefIdHandler_(MailRefId)
+
 
diff --git a/themis/fields/handlers.zcml b/themis/fields/handlers.zcml
index 7cef426..c7375ff 100644
--- a/themis/fields/handlers.zcml
+++ b/themis/fields/handlers.zcml
@@ -79,4 +79,9 @@
         name="themis.fields.RelatedDoc"
         />
 
+    <utility
+        component=".handlers.MailRefIdHandler"
+        name="themis.fields.MailRefId"
+        />
+
 </configure>
diff --git a/themis/fields/interfaces.py b/themis/fields/interfaces.py
index 6295f2f..68cf7ea 100644
--- a/themis/fields/interfaces.py
+++ b/themis/fields/interfaces.py
@@ -93,3 +93,15 @@ class IRelatedDoc(IRelation):
         title=IField['missing_value'].title,
         description=IField['missing_value'].description,
         required=False)
+
+
+class IMailRefId(IField):
+    default = schema.Text(
+        description=IField['default'].description,
+        required=False)
+
+    missing_value = schema.Text(
+        title=IField['missing_value'].title,
+        description=IField['missing_value'].description,
+        required=False)
+
diff --git a/themis/fields/widgets.py b/themis/fields/widgets.py
index 7882273..c76bd30 100644
--- a/themis/fields/widgets.py
+++ b/themis/fields/widgets.py
@@ -19,6 +19,7 @@ from themis.fields.interfaces import IMinistry, IMinistries
 from themis.fields.interfaces import IDeputyOrMinistry, IDeputiesOrMinistries
 from themis.fields.interfaces import IOrderedSelectAndAddWidget
 from themis.fields.interfaces import IRelatedDoc
+from themis.fields.interfaces import IMailRefId
 
 from plone.formwidget.autocomplete.interfaces import IAutocompleteWidget
 from plone.formwidget.autocomplete.widget import AutocompleteSelectionWidget
@@ -27,6 +28,7 @@ from plone.formwidget.autocomplete import AutocompleteFieldWidget
 from z3c.form.browser.orderedselect import OrderedSelectWidget
 from z3c.form.browser.checkbox import CheckBoxWidget
 from z3c.form.browser.select import SelectWidget
+from z3c.form.browser.text import TextWidget
 from z3c.form.browser.radio import RadioWidget
 from plone.formwidget.contenttree.widget import ContentTreeWidget
 
@@ -189,3 +191,10 @@ def RelatedDocFieldWidget(field, request):
     '''IFieldWidget factory for RadioChoiceWidget'''
     return FieldWidget(field, ContentTreeWidget(request))
 
+@adapter(IMailRefId, IFormLayer)
+@implementer(IFieldWidget)
+def MailRefIdFieldWidget(field, request):
+    """IFieldWidget factory for MailRefId"""
+    return FieldWidget(field, TextWidget(request))
+
+
diff --git a/themis/fields/widgets.zcml b/themis/fields/widgets.zcml
index ffd411c..83d7ac1 100644
--- a/themis/fields/widgets.zcml
+++ b/themis/fields/widgets.zcml
@@ -30,6 +30,7 @@
     <adapter factory=".widgets.DateFieldWidget"/>
     <adapter factory=".widgets.RadioChoiceFieldWidget"/>
     <adapter factory=".widgets.RelatedDocFieldWidget"/>
+    <adapter factory=".widgets.MailRefIdFieldWidget"/>
 
     <class class=".widgets.OrderedSelectAndAddWidget">
       <require