diff --git a/src/MicroOcpp/Model/Authorization/AuthorizationService.cpp b/src/MicroOcpp/Model/Authorization/AuthorizationService.cpp
index e9dc39d2..443f0138 100644
--- a/src/MicroOcpp/Model/Authorization/AuthorizationService.cpp
+++ b/src/MicroOcpp/Model/Authorization/AuthorizationService.cpp
@@ -75,7 +75,7 @@ bool AuthorizationService::loadLists() {
 }
 
 AuthorizationData *AuthorizationService::getLocalAuthorization(const char *idTag) {
-    if (!localAuthListEnabledBool->getBool()) {
+    if (!localAuthListEnabled()) {
         return nullptr; //auth cache will follow
     }
 
@@ -101,6 +101,10 @@ size_t AuthorizationService::getLocalListSize() {
     return localAuthorizationList.size();
 }
 
+bool AuthorizationService::localAuthListEnabled() const {
+    return localAuthListEnabledBool && localAuthListEnabledBool->getBool();
+}
+
 bool AuthorizationService::updateLocalList(JsonArray localAuthorizationListJson, int listVersion, bool differential) {
     bool success = localAuthorizationList.readJson(localAuthorizationListJson, listVersion, differential, false);
 
@@ -127,7 +131,7 @@ bool AuthorizationService::updateLocalList(JsonArray localAuthorizationListJson,
 void AuthorizationService::notifyAuthorization(const char *idTag, JsonObject idTagInfo) {
     //check local list conflicts. In future: also update authorization cache
 
-    if (!localAuthListEnabledBool->getBool()) {
+    if (!localAuthListEnabled()) {
         return; //auth cache will follow
     }
 
diff --git a/src/MicroOcpp/Model/Authorization/AuthorizationService.h b/src/MicroOcpp/Model/Authorization/AuthorizationService.h
index 88ba7936..536bba1f 100644
--- a/src/MicroOcpp/Model/Authorization/AuthorizationService.h
+++ b/src/MicroOcpp/Model/Authorization/AuthorizationService.h
@@ -35,6 +35,7 @@ class AuthorizationService : public MemoryManaged {
     AuthorizationData *getLocalAuthorization(const char *idTag);
 
     int getLocalListVersion();
+    bool localAuthListEnabled() const;
     size_t getLocalListSize(); //number of entries in current localAuthList; used in unit tests
 
     bool updateLocalList(JsonArray localAuthorizationListJson, int listVersion, bool differential);
diff --git a/src/MicroOcpp/Model/Model.cpp b/src/MicroOcpp/Model/Model.cpp
index f2e19c1e..fe59568f 100644
--- a/src/MicroOcpp/Model/Model.cpp
+++ b/src/MicroOcpp/Model/Model.cpp
@@ -317,7 +317,7 @@ void Model::updateSupportedStandardProfiles() {
     }
 
 #if MO_ENABLE_LOCAL_AUTH
-    if (authorizationService) {
+    if (authorizationService && authorizationService->localAuthListEnabled()) {
         if (!strstr(supportedFeatureProfilesString->getString(), "LocalAuthListManagement")) {
             if (!buf.empty()) buf += ',';
             buf += "LocalAuthListManagement";
diff --git a/src/MicroOcpp/Operations/GetLocalListVersion.cpp b/src/MicroOcpp/Operations/GetLocalListVersion.cpp
index f2c8a058..4c2d4688 100644
--- a/src/MicroOcpp/Operations/GetLocalListVersion.cpp
+++ b/src/MicroOcpp/Operations/GetLocalListVersion.cpp
@@ -30,9 +30,11 @@ std::unique_ptr<JsonDoc> GetLocalListVersion::createConf(){
     auto doc = makeJsonDoc(getMemoryTag(), JSON_OBJECT_SIZE(1));
     JsonObject payload = doc->to<JsonObject>();
 
-    if (auto authService = model.getAuthorizationService()) {
+    auto authService = model.getAuthorizationService();
+    if (authService && authService->localAuthListEnabled()) {
         payload["listVersion"] = authService->getLocalListVersion();
     } else {
+        //TC_042_1_CS Get Local List Version (not supported)
         payload["listVersion"] = -1;
     }
     return doc;
diff --git a/src/MicroOcpp/Operations/SendLocalList.cpp b/src/MicroOcpp/Operations/SendLocalList.cpp
index 45f0dfbe..29890024 100644
--- a/src/MicroOcpp/Operations/SendLocalList.cpp
+++ b/src/MicroOcpp/Operations/SendLocalList.cpp
@@ -27,6 +27,12 @@ const char* SendLocalList::getOperationType(){
 
 void SendLocalList::processReq(JsonObject payload) {
 
+    //TC_043_1_CS Send Local Authorization List - NotSupported
+    if (!authService.localAuthListEnabled()) {
+        errorCode = "NotSupported";
+        return;
+    }
+
     if (!payload.containsKey("listVersion") || !payload.containsKey("updateType")) {
         errorCode = "FormationViolation";
         return;