diff --git a/invenio/modules/checker/__init__.py b/invenio/modules/checker/__init__.py
new file mode 100644
index 000000000..7b3253788
--- /dev/null
+++ b/invenio/modules/checker/__init__.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+##
+## This file is part of Invenio.
+## Copyright (C) 2014 CERN.
+##
+## Invenio is free software; you can redistribute it and/or
+## modify it under the terms of the GNU General Public License as
+## published by the Free Software Foundation; either version 2 of the
+## License, or (at your option) any later version.
+##
+## Invenio is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Invenio; if not, write to the Free Software Foundation, Inc.,
+## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+
+"""Implement checker module."""
diff --git a/invenio/modules/checker/models.py b/invenio/modules/checker/models.py
new file mode 100644
index 000000000..76b3c9d56
--- /dev/null
+++ b/invenio/modules/checker/models.py
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+##
+## This file is part of Invenio.
+## Copyright (C) 2014 CERN.
+##
+## Invenio is free software; you can redistribute it and/or
+## modify it under the terms of the GNU General Public License as
+## published by the Free Software Foundation; either version 2 of the
+## License, or (at your option) any later version.
+##
+## Invenio is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Invenio; if not, write to the Free Software Foundation, Inc.,
+## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+
+"""Database models for Checker module."""
+
+# General imports.
+
+from invenio.ext.sqlalchemy import db
+
+# Create your models here.
+
+
+class Rules(db.Model):
+
+    """Represent runnable rules."""
+
+    __tablename__ = 'bibcheck_rules'
+    name = db.Column(db.String(150), primary_key=True)
+    last_run = db.Column(db.DateTime, nullable=False,
+                         server_default='0001-01-01')
+
+__all__ = ('Rules', )