diff --git a/openslides/motion/models.py b/openslides/motion/models.py
index f8de1544d..2446747c6 100644
--- a/openslides/motion/models.py
+++ b/openslides/motion/models.py
@@ -65,7 +65,9 @@ class Motion(SlideMixin, models.Model):
                                   unique=True)
     """A string as human readable identifier for the motion."""
 
-    # category = models.ForeignKey('Category', null=True, blank=True)
+    category = models.ForeignKey('Category', null=True, blank=True)
+    """ForeignKey to one category of motions."""
+
     # TODO: proposal
     #master = models.ForeignKey('self', null=True, blank=True)
 
@@ -523,12 +525,16 @@ class MotionSupporter(models.Model):
         return unicode(self.person)
 
 
-## class Category(models.Model):
-    ## name = models.CharField(max_length=255, verbose_name=ugettext_lazy("Category name"))
-    ## prefix = models.CharField(max_length=32, verbose_name=ugettext_lazy("Category prefix"))
+class Category(models.Model):
+    name = models.CharField(max_length=255, verbose_name=ugettext_lazy("Category name"))
+    prefix = models.CharField(max_length=32, verbose_name=ugettext_lazy("Category prefix"))
 
-    ## def __unicode__(self):
-        ## return self.name
+    def __unicode__(self):
+        return self.name
+
+    def get_absolute_url(self, link='update'):
+        if link == 'update' or link == 'edit':
+            return reverse('motion_category_update', args=[str(self.id)])
 
 
 ## class Comment(models.Model):
diff --git a/openslides/motion/urls.py b/openslides/motion/urls.py
index a2b6b49e2..06bccb7b2 100644
--- a/openslides/motion/urls.py
+++ b/openslides/motion/urls.py
@@ -19,8 +19,9 @@ urlpatterns = patterns('openslides.motion.views',
         name='motion_list',
     ),
 
-    url(r'^create/$',
+    url(r'^new/$',
         'motion_create',
+        # TODO: rename to motion_create
         name='motion_new',
     ),
 
@@ -103,4 +104,19 @@ urlpatterns = patterns('openslides.motion.views',
         'motion_detail_pdf',
         name='motion_detail_pdf',
     ),
+
+    url(r'^category/$',
+        'category_list',
+        name='motion_category_list',
+    ),
+
+    url(r'^category/new/$',
+        'category_create',
+        name='motion_category_create',
+    ),
+
+    url(r'^category/(?P<pk>\d+)/edit/$',
+        'category_update',
+        name='motion_category_update',
+    ),
 )
diff --git a/openslides/motion/views.py b/openslides/motion/views.py
index da7d27dd4..1e1541d7c 100644
--- a/openslides/motion/views.py
+++ b/openslides/motion/views.py
@@ -32,7 +32,8 @@ from openslides.projector.projector import Widget, SLIDE
 from openslides.config.models import config
 from openslides.agenda.models import Item
 
-from .models import Motion, MotionSubmitter, MotionSupporter, MotionPoll, MotionVersion, State, WorkflowError
+from .models import (Motion, MotionSubmitter, MotionSupporter, MotionPoll,
+                     MotionVersion, State, WorkflowError, Category)
 from .forms import (BaseMotionForm, MotionSubmitterMixin, MotionSupporterMixin,
                     MotionDisableVersioningMixin, ConfigForm)
 from .pdf import motions_to_pdf, motion_to_pdf
@@ -473,6 +474,27 @@ motion_list_pdf = MotionPDFView.as_view(print_all_motions=True)
 motion_detail_pdf = MotionPDFView.as_view(print_all_motions=False)
 
 
+class CategoryListView(ListView):
+    permission_required = 'motion.can_manage_motion'
+    model = Category
+
+category_list = CategoryListView.as_view()
+
+
+class CategoryCreateView(CreateView):
+    permission_required = 'motion.can_manage_motion'
+    model = Category
+
+category_create = CategoryCreateView.as_view()
+
+
+class CategoryUpdateView(UpdateView):
+    permission_required = 'motion.can_manage_motion'
+    model = Category
+
+category_update = CategoryUpdateView.as_view()
+
+
 class Config(FormView):
     """The View for the config tab."""
     permission_required = 'config.can_manage_config'