diff --git a/doc/cla/corporate/dec.md b/doc/cla/corporate/dec.md
new file mode 100644
index 0000000000000000000000000000000000000000..a54071d81418d2e1d8ddf2a96ad4d96fc5a43be9
--- /dev/null
+++ b/doc/cla/corporate/dec.md
@@ -0,0 +1,13 @@
+France, 2021-07-01
+
+DEC agrees to the terms of the Odoo Corporate Contributor License Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this declaration.
+
+Signed,
+
+DEC github@decgroupe.com https://github.com/decgroupe
+
+List of contributors:
+
+Yann Papouin ypa@decgroupe.com https://github.com/ypapouin
diff --git a/odoo/addons/base/data/rtlcss.json b/odoo/addons/base/data/rtlcss.json
new file mode 100644
index 0000000000000000000000000000000000000000..ee3895aebd3f60256d599705265ffefe3234d54e
--- /dev/null
+++ b/odoo/addons/base/data/rtlcss.json
@@ -0,0 +1,21 @@
+{
+    "options": {
+        "autoRename": false,
+        "autoRenameStrict": false,
+        "blacklist": {
+            "rtlcss": {
+                "config": true,
+                "options": true
+            }
+        },
+        "clean": true,
+        "greedy": false,
+        "processUrls": false,
+        "stringMap": [],
+        "useCalc": false,
+        "aliases": {},
+        "processEnv": false
+    },
+    "plugins": [],
+    "map": false
+}
diff --git a/odoo/addons/base/models/assetsbundle.py b/odoo/addons/base/models/assetsbundle.py
index 5d022f871d9fec5cd8710c18bb6040e60523475d..24e4e7c1cce7bf024951b4f90e9f9effb7ad71f4 100644
--- a/odoo/addons/base/models/assetsbundle.py
+++ b/odoo/addons/base/models/assetsbundle.py
@@ -573,8 +573,8 @@ class AssetsBundle(object):
                 rtlcss = misc.find_in_path('rtlcss.cmd')
             except IOError:
                 rtlcss = 'rtlcss'
-        cmd = [rtlcss, '-']
 
+        cmd = [rtlcss, '-c', get_resource_path("base", "data/rtlcss.json"), '-']
 
         try:
             rtlcss = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE)