diff --git a/src/main/helm/templates/_helpers.tpl b/src/main/helm/templates/_helpers.tpl
index cb9ff09ba278f1c9a324a7930772d0920f81e4a0..1317f415cf1502d9f897172dfcfcfdf2b1c3a2ef 100644
--- a/src/main/helm/templates/_helpers.tpl
+++ b/src/main/helm/templates/_helpers.tpl
@@ -123,3 +123,7 @@ app.kubernetes.io/namespace: {{ include "app.namespace" . }}
 {{ include "app.bayernidAbsenderName" . }}
 {{- end -}}
 {{- end -}}
+
+{{- define "app.elsterTransferOperatorNamespace" -}}
+{{- required "elsterTransferOperator.namespace must be set" (.Values.elsterTransferOperator).namespace -}}
+{{- end -}}
\ No newline at end of file
diff --git a/src/main/helm/templates/elstertransfer_user_cr.yaml b/src/main/helm/templates/elstertransfer_user_cr.yaml
index 99e00bfd8734562f6da31f2d0985d345d3d4ee26..622de75f0eb7c8ff34d7069732d7bd40da1bab8a 100644
--- a/src/main/helm/templates/elstertransfer_user_cr.yaml
+++ b/src/main/helm/templates/elstertransfer_user_cr.yaml
@@ -30,5 +30,5 @@ metadata:
   name: {{ include "app.namespace" . }}-etr-user
   namespace: {{ include "app.namespace" $ }}
 spec:
-  keep_after_delete: {{ (.Values.etr_user).keep_after_delete | default false }}
+  keep_after_delete: {{ (.Values.elsterTransferOperator).keep_after_delete | default false }}
 {{- end -}}
\ No newline at end of file
diff --git a/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_write_role.yaml b/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_create_role.yaml
similarity index 78%
rename from src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_write_role.yaml
rename to src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_create_role.yaml
index 4f2838a6996a2165636ef94bd39a567d971269eb..14e66bc84f9808f7a1c044555305f4a4148e1bf2 100644
--- a/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_write_role.yaml
+++ b/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_create_role.yaml
@@ -21,30 +21,30 @@
 # Die sprachspezifischen Genehmigungen und Beschränkungen
 # unter der Lizenz sind dem Lizenztext zu entnehmen.
 #
-{{- if (((.Values.ozgcloud).muk).enabled) }}
+{{- if ((.Values.ozgcloud).muk).enabled }}
 ---
 kind: RoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
-  name: ozgcloud-elster-transfer-operator-secret-write-role-binding
+  name: ozgcloud-elster-transfer-operator-secret-create-role-binding
   namespace: {{ include "app.namespace" . }}
 subjects:
   - kind: ServiceAccount
     name: ozgcloud-elster-transfer-operator-service-account
-    namespace: {{ required "elsterTransferOperator.namespace must be set" (.Values.elsterTransferOperator).namespace }}
+    namespace: {{ include "app.elsterTransferOperatorNamespace" . }}
 roleRef:
   kind: Role
-  name: ozgcloud-elster-transfer-operator-secret-write-role
+  name: ozgcloud-elster-transfer-operator-secret-create-role
   apiGroup: rbac.authorization.k8s.io
 
 ---
 kind: Role
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
-  name: ozgcloud-elster-transfer-operator-secret-write-role
+  name: ozgcloud-elster-transfer-operator-secret-create-role
   namespace: {{ include "app.namespace" . }}
 rules:
   - apiGroups: [""]
     resources: ["secrets"]
-    verbs: ["create", "update"]
+    verbs: ["create"]
 {{- end }}
diff --git a/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_read_role.yaml b/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_read_role.yaml
index 38cd9d64961f5d364d508af3fb4548ee7f9f35df..561b89abc4a96334c80a54382887e323dde6fd2f 100644
--- a/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_read_role.yaml
+++ b/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_read_role.yaml
@@ -21,7 +21,7 @@
 # Die sprachspezifischen Genehmigungen und Beschränkungen
 # unter der Lizenz sind dem Lizenztext zu entnehmen.
 #
-{{- if (((.Values.ozgcloud).muk).enabled) }}
+{{- if ((.Values.ozgcloud).muk).enabled }}
 ---
 kind: RoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
@@ -31,7 +31,7 @@ metadata:
 subjects:
   - kind: ServiceAccount
     name: ozgcloud-elster-transfer-operator-service-account
-    namespace: {{ required "elsterTransferOperator.namespace must be set" (.Values.elsterTransferOperator).namespace }}
+    namespace: {{ include "app.elsterTransferOperatorNamespace" . }}
 roleRef:
   kind: Role
   name: ozgcloud-elster-transfer-operator-secret-read-role
diff --git a/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_update_role.yaml b/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_update_role.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..584400851f0b3b110cb2d32e619a4b1816cb899d
--- /dev/null
+++ b/src/main/helm/templates/ozgcloud_elstertransfer_operator_secret_update_role.yaml
@@ -0,0 +1,51 @@
+#
+# Copyright (C) 2022 Das Land Schleswig-Holstein vertreten durch den
+# Ministerpräsidenten des Landes Schleswig-Holstein
+# Staatskanzlei
+# Abteilung Digitalisierung und zentrales IT-Management der Landesregierung
+#
+# Lizenziert unter der EUPL, Version 1.2 oder - sobald
+# diese von der Europäischen Kommission genehmigt wurden -
+# Folgeversionen der EUPL ("Lizenz");
+# Sie dürfen dieses Werk ausschließlich gemäß
+# dieser Lizenz nutzen.
+# Eine Kopie der Lizenz finden Sie hier:
+#
+# https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
+#
+# Sofern nicht durch anwendbare Rechtsvorschriften
+# gefordert oder in schriftlicher Form vereinbart, wird
+# die unter der Lizenz verbreitete Software "so wie sie
+# ist", OHNE JEGLICHE GEWÄHRLEISTUNG ODER BEDINGUNGEN -
+# ausdrücklich oder stillschweigend - verbreitet.
+# Die sprachspezifischen Genehmigungen und Beschränkungen
+# unter der Lizenz sind dem Lizenztext zu entnehmen.
+#
+{{- if ((.Values.ozgcloud).muk).enabled }}
+---
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: ozgcloud-elster-transfer-operator-secret-update-role-binding
+  namespace: {{ include "app.namespace" . }}
+subjects:
+  - kind: ServiceAccount
+    name: ozgcloud-elster-transfer-operator-service-account
+    namespace: {{ include "app.elsterTransferOperatorNamespace" . }}
+roleRef:
+  kind: Role
+  name: ozgcloud-elster-transfer-operator-secret-update-role
+  apiGroup: rbac.authorization.k8s.io
+
+---
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: ozgcloud-elster-transfer-operator-secret-update-role
+  namespace: {{ include "app.namespace" . }}
+rules:
+  - apiGroups: [""]
+    resources: ["secrets"]
+    verbs: ["update"]
+    resourceNames: ["muk-user-secret"]
+{{- end }}
diff --git a/src/test/helm/elster_transfer_user_cr_test.yaml b/src/test/helm/elster_transfer_user_cr_test.yaml
index 2f311ccb8890cfd5abf34f1f4c3807c7c8027f61..0587c112a56c4097ccba6dc6c06cd60349fc66f5 100644
--- a/src/test/helm/elster_transfer_user_cr_test.yaml
+++ b/src/test/helm/elster_transfer_user_cr_test.yaml
@@ -79,7 +79,7 @@ tests:
       ozgcloud:
         muk:
           enabled: true
-      etr_user:
+      elsterTransferOperator:
         keep_after_delete: true
     asserts:
       - equal:
diff --git a/src/test/helm/ozgcloud_elstertransfer_operator_secret_create_role_test.yaml b/src/test/helm/ozgcloud_elstertransfer_operator_secret_create_role_test.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..34a6109f7119929c515b06f0e1de9c85e440de55
--- /dev/null
+++ b/src/test/helm/ozgcloud_elstertransfer_operator_secret_create_role_test.yaml
@@ -0,0 +1,133 @@
+#
+# Copyright (C) 2022 Das Land Schleswig-Holstein vertreten durch den
+# Ministerpräsidenten des Landes Schleswig-Holstein
+# Staatskanzlei
+# Abteilung Digitalisierung und zentrales IT-Management der Landesregierung
+#
+# Lizenziert unter der EUPL, Version 1.2 oder - sobald
+# diese von der Europäischen Kommission genehmigt wurden -
+# Folgeversionen der EUPL ("Lizenz");
+# Sie dürfen dieses Werk ausschließlich gemäß
+# dieser Lizenz nutzen.
+# Eine Kopie der Lizenz finden Sie hier:
+#
+# https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
+#
+# Sofern nicht durch anwendbare Rechtsvorschriften
+# gefordert oder in schriftlicher Form vereinbart, wird
+# die unter der Lizenz verbreitete Software "so wie sie
+# ist", OHNE JEGLICHE GEWÄHRLEISTUNG ODER BEDINGUNGEN -
+# ausdrücklich oder stillschweigend - verbreitet.
+# Die sprachspezifischen Genehmigungen und Beschränkungen
+# unter der Lizenz sind dem Lizenztext zu entnehmen.
+#
+
+suite: ElsterTransfer user secret rbac test
+release:
+  name: ozgcloud-elstertransfer-operator
+  namespace: test-namespace
+templates:
+  - templates/ozgcloud_elstertransfer_operator_secret_create_role.yaml
+
+
+tests:
+  - it: test RoleBinding metadata
+    set:
+      elsterTransferOperator:
+        namespace: etr-operator
+      ozgcloud:
+        muk:
+          enabled: true
+    asserts:
+      - isKind:
+          of: RoleBinding
+        documentIndex: 0
+      - isAPIVersion:
+          of: rbac.authorization.k8s.io/v1
+        documentIndex: 0
+      - equal:
+          path: metadata.name
+          value: ozgcloud-elster-transfer-operator-secret-create-role-binding
+        documentIndex: 0
+ 
+  - it: test RoleBinding subject
+    set:
+      elsterTransferOperator:
+        namespace: etr-operator
+      ozgcloud:
+        muk:
+          enabled: true
+    asserts:
+      - contains:
+          path: subjects
+          content:
+            kind: ServiceAccount
+            name: ozgcloud-elster-transfer-operator-service-account
+            namespace: etr-operator
+        documentIndex: 0
+  - it: test RoleBinding roleRef
+    set:
+      elsterTransferOperator:
+        namespace: etr-operator
+      ozgcloud:
+        muk:
+          enabled: true
+    asserts:
+      - equal:
+          path: roleRef
+          value:
+            kind: Role
+            name: ozgcloud-elster-transfer-operator-secret-create-role
+            apiGroup: rbac.authorization.k8s.io
+        documentIndex: 0
+
+  - it: test Role metadata
+    set:
+      elsterTransferOperator:
+        namespace: etr-operator
+      ozgcloud:
+        muk:
+          enabled: true
+    asserts:
+      - isKind:
+          of: Role
+        documentIndex: 1
+      - isAPIVersion:
+          of: rbac.authorization.k8s.io/v1
+        documentIndex: 1
+      - equal:
+          path: metadata.name
+          value: ozgcloud-elster-transfer-operator-secret-create-role
+        documentIndex: 1
+    
+  - it: test RoleBinding rules
+    set:
+      elsterTransferOperator:
+        namespace: etr-operator
+      ozgcloud:
+        muk:
+          enabled: true
+    asserts:
+      - contains:
+          path: rules
+          content:
+              apiGroups:
+                - ""
+              resources:
+                - secrets
+              verbs:
+                - create
+        documentIndex: 1
+  - it: test eltertransferOperator namespace must be set msg
+    set: 
+      ozgcloud:
+        muk:
+          enabled: true
+    asserts:
+      - failedTemplate:
+          errorMessage: elsterTransferOperator.namespace must be set
+
+  - it: RBAC not created by default
+    asserts:
+      - hasDocuments:
+          count: 0
\ No newline at end of file
diff --git a/src/test/helm/ozgcloud_elstertransfer_operator_secret_read_role_test.yaml b/src/test/helm/ozgcloud_elstertransfer_operator_secret_read_role_test.yaml
index 567ccae0b99ff206b281b1b612add6518a5e252e..6d3bf2a10988847c5e425f13def889ea9ef8ea48 100644
--- a/src/test/helm/ozgcloud_elstertransfer_operator_secret_read_role_test.yaml
+++ b/src/test/helm/ozgcloud_elstertransfer_operator_secret_read_role_test.yaml
@@ -135,7 +135,4 @@ tests:
     asserts:
       - hasDocuments:
           count: 0
-        documentIndex: 1
-      - hasDocuments:
-          count: 0
-        documentIndex: 0
\ No newline at end of file
+    
\ No newline at end of file
diff --git a/src/test/helm/ozgcloud_elstertransfer_operator_secret_write_role_test.yaml b/src/test/helm/ozgcloud_elstertransfer_operator_secret_update_role_test.yaml
similarity index 89%
rename from src/test/helm/ozgcloud_elstertransfer_operator_secret_write_role_test.yaml
rename to src/test/helm/ozgcloud_elstertransfer_operator_secret_update_role_test.yaml
index af7d221d1d66b09d3c64a44b9280bde825ecfc13..5f28b5cd2104687d7b40103ae741effa0418fda4 100644
--- a/src/test/helm/ozgcloud_elstertransfer_operator_secret_write_role_test.yaml
+++ b/src/test/helm/ozgcloud_elstertransfer_operator_secret_update_role_test.yaml
@@ -27,7 +27,7 @@ release:
   name: ozgcloud-elstertransfer-operator
   namespace: test-namespace
 templates:
-  - templates/ozgcloud_elstertransfer_operator_secret_write_role.yaml
+  - templates/ozgcloud_elstertransfer_operator_secret_update_role.yaml
 
 
 tests:
@@ -47,7 +47,7 @@ tests:
         documentIndex: 0
       - equal:
           path: metadata.name
-          value: ozgcloud-elster-transfer-operator-secret-write-role-binding
+          value: ozgcloud-elster-transfer-operator-secret-update-role-binding
         documentIndex: 0
  
   - it: test RoleBinding subject
@@ -77,7 +77,7 @@ tests:
           path: roleRef
           value:
             kind: Role
-            name: ozgcloud-elster-transfer-operator-secret-write-role
+            name: ozgcloud-elster-transfer-operator-secret-update-role
             apiGroup: rbac.authorization.k8s.io
         documentIndex: 0
 
@@ -97,7 +97,7 @@ tests:
         documentIndex: 1
       - equal:
           path: metadata.name
-          value: ozgcloud-elster-transfer-operator-secret-write-role
+          value: ozgcloud-elster-transfer-operator-secret-update-role
         documentIndex: 1
     
   - it: test RoleBinding rules
@@ -116,8 +116,9 @@ tests:
               resources:
                 - secrets
               verbs:
-                - create
                 - update
+              resourceNames:
+                - muk-user-secret
         documentIndex: 1
   - it: test eltertransferOperator namespace must be set msg
     set: 
@@ -132,7 +133,4 @@ tests:
     asserts:
       - hasDocuments:
           count: 0
-        documentIndex: 1
-      - hasDocuments:
-          count: 0
-        documentIndex: 0
\ No newline at end of file
+      
\ No newline at end of file