diff --git a/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/KtIterable.kt b/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/KtIterable.kt
index fa44b72..7026479 100644
--- a/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/KtIterable.kt
+++ b/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/KtIterable.kt
@@ -1,3 +1,22 @@
+/*-
+ * ========================LICENSE_START=================================
+ * idscp2-core
+ * %%
+ * Copyright (C) 2023 Fraunhofer AISEC
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =========================LICENSE_END==================================
+ */
 package de.fhg.aisec.ids.idscp2.core
 
 import org.slf4j.Logger
diff --git a/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/fsm/FSMImpl.kt b/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/fsm/FSMImpl.kt
index 7ae8ed6..aa6273f 100644
--- a/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/fsm/FSMImpl.kt
+++ b/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/fsm/FSMImpl.kt
@@ -781,9 +781,11 @@ class FSMImpl<CC : Idscp2Connection>(
 
     companion object {
         private val LOG = LoggerFactory.getLogger(FSM::class.java)
-        private val ioScope = CoroutineScope(Dispatchers.IO + CoroutineExceptionHandler { _, throwable ->
-            LOG.error("Error in async FSM code", throwable)
-        })
+        private val ioScope = CoroutineScope(
+            Dispatchers.IO + CoroutineExceptionHandler { _, throwable ->
+                LOG.error("Error in async FSM code", throwable)
+            }
+        )
     }
 
     init {
diff --git a/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/fsm/RaState.kt b/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/fsm/RaState.kt
index f34febc..00b0349 100644
--- a/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/fsm/RaState.kt
+++ b/idscp2-core/src/main/kotlin/de/fhg/aisec/ids/idscp2/core/fsm/RaState.kt
@@ -1,3 +1,22 @@
+/*-
+ * ========================LICENSE_START=================================
+ * idscp2-core
+ * %%
+ * Copyright (C) 2023 Fraunhofer AISEC
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =========================LICENSE_END==================================
+ */
 package de.fhg.aisec.ids.idscp2.core.fsm
 
 import de.fhg.aisec.ids.idscp2.api.fsm.State
@@ -15,8 +34,10 @@ open class RaState : State() {
     }
     companion object {
         private val LOG = LoggerFactory.getLogger(RaState::class.java)
-        private val ioScope = CoroutineScope(Dispatchers.IO + CoroutineExceptionHandler { _, throwable ->
-            LOG.error("Error in async RA code", throwable)
-        })
+        private val ioScope = CoroutineScope(
+            Dispatchers.IO + CoroutineExceptionHandler { _, throwable ->
+                LOG.error("Error in async RA code", throwable)
+            }
+        )
     }
 }