diff --git a/notification-core/src/main/java/org/opengroup/osdu/notification/auth/AuthorizationFilter.java b/notification-core/src/main/java/org/opengroup/osdu/notification/auth/AuthorizationFilter.java
index e646b877925fa3446960b6b1813292301ba6af9e..36bfc80393762c8fcee8abd64a82c39dda253e48 100644
--- a/notification-core/src/main/java/org/opengroup/osdu/notification/auth/AuthorizationFilter.java
+++ b/notification-core/src/main/java/org/opengroup/osdu/notification/auth/AuthorizationFilter.java
@@ -23,7 +23,7 @@ import org.opengroup.osdu.core.common.model.http.DpsHeaders;
 import org.opengroup.osdu.core.common.provider.interfaces.IAuthorizationService;
 import org.opengroup.osdu.notification.di.RequestInfoExt;
 import org.opengroup.osdu.notification.utils.Config;
-import org.opengroup.osdu.notification.provider.interfaces.ServiceAccountValidator;
+import org.opengroup.osdu.notification.provider.interfaces.IServiceAccountValidator;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.springframework.web.context.annotation.RequestScope;
@@ -40,7 +40,7 @@ public class AuthorizationFilter {
     @Autowired
     private RequestInfoExt requestInfoExt;
     @Autowired
-    private ServiceAccountValidator validator;
+    private IServiceAccountValidator validator;
 
     public boolean hasAnyPermission(String... requiredRoles) {
         DpsHeaders dpsHeaders = requestInfoExt.getHeaders();
diff --git a/notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/IAppProperties.java b/notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/IAppProperties.java
index 188ca8c280e0f3a8e0d7a03a63af345f66c776f5..c5bf01120a9e3f9fbb0b1da63ad73d6472d826a0 100644
--- a/notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/IAppProperties.java
+++ b/notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/IAppProperties.java
@@ -1,3 +1,19 @@
+/*
+ *   Copyright 2017-2020, Schlumberger
+ *
+ *   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.
+ */
+
 package org.opengroup.osdu.notification.provider.interfaces;
 
 public interface IAppProperties {
diff --git a/notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/ServiceAccountValidator.java b/notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/IServiceAccountValidator.java
similarity index 94%
rename from notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/ServiceAccountValidator.java
rename to notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/IServiceAccountValidator.java
index fc3648987a9d24906cd02534f475886ad1eb3973..3b36bb1de5386413fac23f5d617899735c3cf1cc 100644
--- a/notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/ServiceAccountValidator.java
+++ b/notification-core/src/main/java/org/opengroup/osdu/notification/provider/interfaces/IServiceAccountValidator.java
@@ -16,7 +16,7 @@
 
 package org.opengroup.osdu.notification.provider.interfaces;
 
-public interface ServiceAccountValidator {
+public interface IServiceAccountValidator {
 
     boolean isValidPublisherServiceAccount(String jwt);
 
diff --git a/notification-core/src/test/java/org/opengroup/osdu/notification/auth/AuthorizationFilterTest.java b/notification-core/src/test/java/org/opengroup/osdu/notification/auth/AuthorizationFilterTest.java
index 6becc37ed665b16636973366adedec598f50123a..50a46790c9789b4d9257833fa0437771aca0eb40 100644
--- a/notification-core/src/test/java/org/opengroup/osdu/notification/auth/AuthorizationFilterTest.java
+++ b/notification-core/src/test/java/org/opengroup/osdu/notification/auth/AuthorizationFilterTest.java
@@ -28,7 +28,7 @@ import org.opengroup.osdu.core.common.provider.interfaces.IAuthorizationService;
 import org.opengroup.osdu.notification.di.RequestInfoExt;
 import org.opengroup.osdu.notification.pubsub.PubsubRequestBodyExtractor;
 import org.opengroup.osdu.notification.utils.Config;
-import org.opengroup.osdu.notification.provider.interfaces.ServiceAccountValidator;
+import org.opengroup.osdu.notification.provider.interfaces.IServiceAccountValidator;
 import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.util.HashMap;
@@ -57,7 +57,7 @@ public class AuthorizationFilterTest {
     @Mock
     private IAuthorizationService authorizationService;
     @Mock
-    private ServiceAccountValidator validator;
+    private IServiceAccountValidator validator;
     @Mock
     private PubsubRequestBodyExtractor extractor;
     @InjectMocks
diff --git a/provider/notification-gcp/src/main/java/org/opengroup/osdu/notification/provider/gcp/util/GoogleServiceAccountValidatorImpl.java b/provider/notification-gcp/src/main/java/org/opengroup/osdu/notification/provider/gcp/util/GoogleServiceAccountValidatorImpl.java
index eaac68d6c2c9d16712d3ad05ca20ed0370e3a5de..3a1736a921a1f0b89ec123da25166804a2e12d53 100644
--- a/provider/notification-gcp/src/main/java/org/opengroup/osdu/notification/provider/gcp/util/GoogleServiceAccountValidatorImpl.java
+++ b/provider/notification-gcp/src/main/java/org/opengroup/osdu/notification/provider/gcp/util/GoogleServiceAccountValidatorImpl.java
@@ -21,12 +21,12 @@ import com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier;
 import com.google.api.client.http.javanet.NetHttpTransport;
 import com.google.api.client.json.jackson2.JacksonFactory;
 import org.opengroup.osdu.core.common.logging.JaxRsDpsLog;
-import org.opengroup.osdu.notification.provider.interfaces.ServiceAccountValidator;
+import org.opengroup.osdu.notification.provider.interfaces.IServiceAccountValidator;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 @Service
-public class GoogleServiceAccountValidatorImpl implements ServiceAccountValidator {
+public class GoogleServiceAccountValidatorImpl implements IServiceAccountValidator {
 
     private final NetHttpTransport netHttpTransport = new NetHttpTransport();
     private final JacksonFactory jacksonFactory = new JacksonFactory();