diff --git a/common4j/src/main/com/microsoft/identity/common/java/jwt/JwtKeyUseTypes.kt b/common4j/src/main/com/microsoft/identity/common/java/jwt/JwtKeyUseTypes.kt
new file mode 100644
index 0000000000..f2f845b0e1
--- /dev/null
+++ b/common4j/src/main/com/microsoft/identity/common/java/jwt/JwtKeyUseTypes.kt
@@ -0,0 +1,27 @@
+// Copyright (c) Microsoft Corporation.
+// All rights reserved.
+//
+// This code is licensed under the MIT License.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files(the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions :
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+package com.microsoft.identity.common.java.jwt
+
+object JwtKeyUseTypes {
+    const val RESOURCE_ACCOUNT: String = "resource_account"
+}
diff --git a/common4j/src/main/com/microsoft/identity/common/java/logging/DiagnosticContextExtensions.kt b/common4j/src/main/com/microsoft/identity/common/java/logging/DiagnosticContextExtensions.kt
new file mode 100644
index 0000000000..ab98d69117
--- /dev/null
+++ b/common4j/src/main/com/microsoft/identity/common/java/logging/DiagnosticContextExtensions.kt
@@ -0,0 +1,46 @@
+// Copyright (c) Microsoft Corporation.
+// All rights reserved.
+//
+// This code is licensed under the MIT License.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files(the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions :
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+package com.microsoft.identity.common.java.logging
+
+import com.microsoft.identity.common.java.AuthenticationConstants
+import com.microsoft.identity.common.java.AuthenticationConstants.SdkPlatformFields.PRODUCT
+
+/**
+ * Extension function to set up the [DiagnosticContext] with correlation ID, SDK type, and SDK version.
+ * @return An [AutoCloseable] that clears the context when closed.
+ */
+fun DiagnosticContext.withInitializedContext(
+    correlationId: String,
+    sdkType: String,
+    sdkVersion: String
+): AutoCloseable {
+    val requestContext = RequestContext().apply {
+        put(DiagnosticContext.CORRELATION_ID, correlationId)
+        put(PRODUCT, sdkType)
+        put(AuthenticationConstants.SdkPlatformFields.VERSION, sdkVersion)
+    }
+    setRequestContext(requestContext)
+    return AutoCloseable {
+        clear()
+    }
+}
\ No newline at end of file
diff --git a/common4j/src/main/com/microsoft/identity/common/java/providers/oauth2/TokenRequest.java b/common4j/src/main/com/microsoft/identity/common/java/providers/oauth2/TokenRequest.java
index 6d15116cc8..b5ae8e3589 100644
--- a/common4j/src/main/com/microsoft/identity/common/java/providers/oauth2/TokenRequest.java
+++ b/common4j/src/main/com/microsoft/identity/common/java/providers/oauth2/TokenRequest.java
@@ -305,6 +305,11 @@ public static class GrantTypes {
         // e.g. used in Primary Refresh Token acquisition flows
         public static final String JWT_BEARER = "urn:ietf:params:oauth:grant-type:jwt-bearer";
         public static final String TRANSFER_TOKEN = "transfer_token";
+
+        /**
+         * Grant type used to acquire resource account PRT.
+         */
+        public static final String RESOURCE_ACCOUNT = "resource_account";
     }
 
     public static class TokenType {