diff --git a/.hgignore b/.gitignore
similarity index 88%
rename from .hgignore
rename to .gitignore
index bb7a7a5..f5d0da5 100644
--- a/.hgignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-syntax: glob
+*.pyc
 build/*
 dist/*
 mds_cashbook.egg-info/*
diff --git a/README.rst b/README.rst
index 684d05c..89efe3c 100644
--- a/README.rst
+++ b/README.rst
@@ -153,6 +153,10 @@ currency are converted  into the display currency of the parent cash book.
 Changes
 =======
 
+*7.0.36 - 19.07.2024*
+
+- updt: optimize check of permissions
+
 *7.0.35 - 01.06.2024*
 
 - add: config setting for fixate in booking-wizard
diff --git a/ir.py b/ir.py
index 4054d93..0f81aec 100644
--- a/ir.py
+++ b/ir.py
@@ -3,7 +3,6 @@
 # The COPYRIGHT file at the top level of this repository contains the
 # full copyright notices and license terms.
 
-from trytond.transaction import Transaction
 from trytond.pool import PoolMeta
 
 
@@ -14,22 +13,12 @@ class Rule(metaclass=PoolMeta):
     def _context_modelnames(cls):
         """ list of models to add 'user_id' to context
         """
-        return [
-            'cashbook.book', 'cashbook.line', 'cashbook.recon',
-            'cashbook.split']
-
-    @classmethod
-    def _get_context(cls, model_name):
-        context = super()._get_context(model_name)
-        if model_name in cls._context_modelnames():
-            context['user_id'] = Transaction().user
-        return context
-
-    @classmethod
-    def _get_cache_key(cls, model_name):
-        key = super()._get_cache_key(model_name)
-        if model_name in cls._context_modelnames():
-            key = (*key, Transaction().user)
-        return key
+        result = super(Rule, cls)._context_modelnames()
+        return result | {
+            'cashbook.book',
+            'cashbook.line',
+            'cashbook.recon',
+            'cashbook.split'
+        }
 
 # end Rule
diff --git a/tryton.cfg b/tryton.cfg
index 97db8b7..4c72909 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,10 +1,11 @@
 [tryton]
-version=7.0.35
+version=7.0.36
 depends:
     res
     currency
     party
     company
+    irrulecontext
 xml:
     icon.xml
     group.xml
diff --git a/versiondep.txt b/versiondep.txt
index 8b13789..d501ebb 100644
--- a/versiondep.txt
+++ b/versiondep.txt
@@ -1 +1 @@
-
+irrulecontext;7.0.1;7.0.999;mds