diff --git a/README.rst b/README.rst
index 9eabda9..cdc3e84 100644
--- a/README.rst
+++ b/README.rst
@@ -9,37 +9,58 @@ pip install mds-edocument-xrechnung
 
 Requires
 ========
-- Tryton 7.0
+- Tryton 6.0
 
 Changes
 =======
 
-*7.0.10 - 12.12.2024*
+*6.0.16 - 11.06.2025*
+
+- fix xml-content to be more valid
+
+*6.0.15 - 02.05.2025*
+
+- update copyright
+
+*6.0.14 - 29.01.2025*
+
+- updt:  optimize rounding of unit_price
+
+*6.0.13 - 28.01.2025*
+
+- fix: rounding of unit_price at invoice-line
+
+*6.0.12 - 09.01.2025*
+
+- handle tax childs (Jan Grasnick <jan@mittelwind.de>)
+
+*6.0.11 - 19.12.2024*
+
+- Lookup parent taxes for unece tax codes.
+- Improve the help text of xrechnung_routeid. Correct a translation.
+  (Mathias Behrle <mathiasb@m9s.biz>)
+
+*6.0.10 - 12.12.2024*
 
 - fix missing views
 - Remove arguments in super() calls. (Mathias Behrle)
 
-*7.0.9 - 11.12.2024*
+*6.0.9 - 11.12.2024*
 
 - fix name of party in exceptions
 
-*7.0.7 - 10.12.2024*
+*6.0.7 - 10.12.2024*
 
-- add iban to xml-export
+- add: export of factur-x 1.07.2, XRechnung 2.3 + 3.0
 
-*7.0.6 - 09.12.2024*
+*6.0.2 - 30.06.2023*
 
-- add: check for valid data to generate xml
+- add: credit-note
 
-*7.0.5 - 05.12.2024*
+*6.0.1 - 20.10.2022*
 
-- add: export Factur-X 1.07.2
+- works
 
-*7.0.4 - 05.12.2024*
+*6.0.0 - 17.10.2022*
 
-- add: export XRechnung 2.3 + 3.0
-- updt: xrechnung-route-id optional
-
-*7.0.3 - 22.12.2023*
-
-- compatibility to Tryton 7.0
+- init
diff --git a/mixin.py b/mixin.py
index dc235ac..555eb3c 100644
--- a/mixin.py
+++ b/mixin.py
@@ -168,9 +168,6 @@ class EdocumentMixin(object):
         Args:
             line (record): model account.invoice.line
         """
-        if not hasattr(line, 'modegross'):
-            return line.amount
-
         if line.modegross == 'net':
             return line.amount
         elif line.modegross == 'gross':
@@ -261,11 +258,7 @@ class EdocumentMixin(object):
         if party and party.identifiers:
             for x in party.identifiers:
                 if x.type in legal_types:
-                    if x.address:
-                        if x.address == address:
-                            result.append((x.rec_name, {'schemeID': '0002'}))
-                    else:
-                        result.append((x.rec_name, {'schemeID': '0002'}))
+                    result.append((x.rec_name, {'schemeID': '0002'}))
         return result
 
 # end EdocumentMixin
diff --git a/setup.py b/setup.py
index c82d777..0485635 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@ with open(path.join(here, 'versiondep.txt'), encoding='utf-8') as f:
         modversion[l2[0]] = {'min': l2[1], 'max': l2[2], 'prefix': l2[3]}
 
 # tryton-version
-major_version = 7
+major_version = 6
 minor_version = 0
 
 requires = []
diff --git a/tests/__init__.py b/tests/__init__.py
index 00701b3..bd1a230 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -2,3 +2,17 @@
 # This file is part of the edocument-module for Tryton from m-ds.de.
 # The COPYRIGHT file at the top level of this repository contains the
 # full copyright notices and license terms.
+
+import trytond.tests.test_tryton
+import unittest
+
+from .test_edocument import EdocTestCase
+
+__all__ = ['suite']
+
+
+def suite():
+    suite = trytond.tests.test_tryton.suite()
+    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
+        EdocTestCase))
+    return suite
diff --git a/tryton.cfg b/tryton.cfg
index ecd8916..43a8f5f 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=7.0.10
+version=6.0.16
 depends:
     edocument_uncefact
     party
diff --git a/view/configuration_form.xml b/view/configuration_form.xml
index 244d830..0e079b8 100644
--- a/view/configuration_form.xml
+++ b/view/configuration_form.xml
@@ -4,7 +4,7 @@
  full copyright notices and license terms. -->
 <data>
 
-    <xpath expr="/form/separator[@id='currency_exchange']" position="before">
+    <xpath expr="/form/separator[@id='move']" position="before">
 
         <separator id="edocument" colspan="4" string="eDocument"/>
         <field name="edocument_bank" colspan="2" height="200"/>