diff --git a/frontends/src/jp/common.py b/frontends/src/jp/common.py
index cbc3fd95..a9885a99 100644
--- a/frontends/src/jp/common.py
+++ b/frontends/src/jp/common.py
@@ -1,3 +1,22 @@
+#! /usr/bin/python
+# -*- coding: utf-8 -*-
+
+# jp: a SAT command line tool
+# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 
 
 class MissingPlugin(Exception):
diff --git a/frontends/src/jp/file.py b/frontends/src/jp/file.py
index 720da027..5e64db65 100644
--- a/frontends/src/jp/file.py
+++ b/frontends/src/jp/file.py
@@ -1,3 +1,22 @@
+#! /usr/bin/python
+# -*- coding: utf-8 -*-
+
+# jp: a SAT command line tool
+# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from logging import debug, info, error, warning
 
 import base
diff --git a/frontends/src/jp/jp b/frontends/src/jp/jp
index 5cfad101..b2a5baf1 100755
--- a/frontends/src/jp/jp
+++ b/frontends/src/jp/jp
@@ -1,4 +1,21 @@
-#!/usr/bin/python
+#! /usr/bin/python
+# -*- coding: utf-8 -*-
+
+# jp: a SAT command line tool
+# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import base
 import message
diff --git a/frontends/src/jp/message.py b/frontends/src/jp/message.py
index 012e1157..86e04717 100644
--- a/frontends/src/jp/message.py
+++ b/frontends/src/jp/message.py
@@ -1,3 +1,22 @@
+#! /usr/bin/python
+# -*- coding: utf-8 -*-
+
+# jp: a SAT command line tool
+# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import base
 import sys
 from sat.core.i18n import _
diff --git a/frontends/src/jp/pipe.py b/frontends/src/jp/pipe.py
index f0d53109..0f98359b 100644
--- a/frontends/src/jp/pipe.py
+++ b/frontends/src/jp/pipe.py
@@ -1,3 +1,22 @@
+#! /usr/bin/python
+# -*- coding: utf-8 -*-
+
+# jp: a SAT command line tool
+# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import base
 
 import tempfile
diff --git a/frontends/src/jp/profile.py b/frontends/src/jp/profile.py
index 74d4e1b4..33833469 100644
--- a/frontends/src/jp/profile.py
+++ b/frontends/src/jp/profile.py
@@ -1,3 +1,22 @@
+#! /usr/bin/python
+# -*- coding: utf-8 -*-
+
+# jp: a SAT command line tool
+# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 """This module permits to manage profiles. It can list, create, delete
 and retrieve informations about a profile."""