diff --git a/db.sqlite3 b/db.sqlite3
index c9c273c..827cbf9 100644
Binary files a/db.sqlite3 and b/db.sqlite3 differ
diff --git a/evolus/admin.py b/evolus/admin.py
index 718b9bc..4fb37a5 100644
--- a/evolus/admin.py
+++ b/evolus/admin.py
@@ -1,13 +1,18 @@
 from django.contrib import admin
 
-from .models import Audience, Document, Site, Structure
+from .models import Audience, Document, DocumentType, Site, Structure
 
 
 class DocumentAdmin(admin.ModelAdmin):
-    list_filter = ('audiences', 'sites', 'structures')
+    list_filter = ('type', 'audiences', 'sites', 'structures')
+
+
+class DocumentTypeAdmin(admin.ModelAdmin):
+    list_display = ('__str__', 'level')
 
 
 admin.site.register(Audience)
 admin.site.register(Site)
 admin.site.register(Structure)
-admin.site.register(Document, DocumentAdmin)
\ No newline at end of file
+admin.site.register(Document, DocumentAdmin)
+admin.site.register(DocumentType, DocumentTypeAdmin)
diff --git a/evolus/migrations/0009_auto_20170918_1514.py b/evolus/migrations/0009_auto_20170918_1514.py
new file mode 100644
index 0000000..726f2eb
--- /dev/null
+++ b/evolus/migrations/0009_auto_20170918_1514.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-09-18 13:14
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('evolus', '0008_auto_20170918_1305'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DocumentType',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=50)),
+                ('template', models.FileField(blank=True, null=True, upload_to='documents_templates/')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='document',
+            name='type',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='evolus.DocumentType'),
+        ),
+    ]
diff --git a/evolus/migrations/0010_documenttype_level.py b/evolus/migrations/0010_documenttype_level.py
new file mode 100644
index 0000000..0c994d8
--- /dev/null
+++ b/evolus/migrations/0010_documenttype_level.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-09-18 13:18
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('evolus', '0009_auto_20170918_1514'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='documenttype',
+            name='level',
+            field=models.IntegerField(default=1),
+            preserve_default=False,
+        ),
+    ]
diff --git a/evolus/migrations/0011_auto_20170918_1544.py b/evolus/migrations/0011_auto_20170918_1544.py
new file mode 100644
index 0000000..e062ddb
--- /dev/null
+++ b/evolus/migrations/0011_auto_20170918_1544.py
@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-09-18 13:44
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('evolus', '0010_documenttype_level'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='documenttype',
+            options={'ordering': ['level']},
+        ),
+        migrations.AddField(
+            model_name='structure',
+            name='acronym',
+            field=models.CharField(blank=True, max_length=20, null=True),
+        ),
+    ]
diff --git a/evolus/models.py b/evolus/models.py
index aa9d639..6fc7f7e 100644
--- a/evolus/models.py
+++ b/evolus/models.py
@@ -28,12 +28,25 @@ class Site(models.Model):
 
 class Structure(ClosureModel):
     name = models.CharField(max_length=50)
+    acronym = models.CharField(max_length=20, null=True, blank=True)
     parent = models.ForeignKey('self', related_name='children', null=True, blank=True)
 
     def __str__(self):
         return self.name
 
 
+class DocumentType(models.Model):
+    name = models.CharField(max_length=50)
+    level = models.IntegerField()
+    template = models.FileField(upload_to='documents_templates/', null=True, blank=True)
+
+    def __str__(self):
+        return self.name
+
+    class Meta:
+        ordering = ['level']
+
+
 class Document(models.Model):
     audiences = models.ManyToManyField(Audience)
     sites = models.ManyToManyField(Site)
@@ -41,6 +54,7 @@ class Document(models.Model):
     structures = models.ManyToManyField(Structure)
     title = models.CharField(max_length=255)
     overview = models.TextField(blank=True, null=True)
+    type = models.ForeignKey(DocumentType, null=True)
 
     def __str__(self):
-        return self.title
\ No newline at end of file
+        return self.title