diff --git a/src/config/authorization.ts b/src/config/authorization.ts
index b637d058..9e1a6c41 100644
--- a/src/config/authorization.ts
+++ b/src/config/authorization.ts
@@ -13,7 +13,7 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 
-import {SCUserConfiguration} from './user';
+import {SCUserConfigurationMap} from './user';
 
 /**
  * Supported authorization provider types
@@ -87,7 +87,7 @@ export interface SCAuthorizationProviderEndpoints {
    *
    * @see https://www.npmjs.com/package/jsonpath
    */
-  mapping: { [key in keyof SCUserConfiguration]: string; };
+  mapping: SCUserConfigurationMap;
 
   /**
    * URL to revoke a token
diff --git a/src/config/user.ts b/src/config/user.ts
index 971c6f9b..4487aeba 100644
--- a/src/config/user.ts
+++ b/src/config/user.ts
@@ -15,40 +15,50 @@
 
 import {SCAcademicPriceGroup} from '../things/abstract/thing-that-can-be-offered';
 
+/**
+ * User configuration keys mapped to string type while including their requiredness
+ */
+export type SCUserConfigurationMap = { [K in keyof  SCUserConfigurationOptional]?: string } & { [K in keyof SCUserConfigurationRequired]: string };
+
 /**
  * A user configuration
  */
-export interface SCUserConfiguration {
-  /**
-   * User's e-mail
-   */
-  email?: string;
-
-  /**
-   * User's family name
-   */
-  familyName?: string;
-
-  /**
-   * User's given name
-   */
-  givenName?: string;
+export type SCUserConfiguration = SCUserConfigurationRequired & SCUserConfigurationOptional;
 
+/**
+ * A user configurations required properties
+ */
+interface SCUserConfigurationRequired {
   /**
    * ID given to the user
    */
   id: string;
-
   /**
    * The complete name of the user combining all the parts of the name into one
    */
   name: string;
-
   /**
    * Role assigned to the user
    */
   role: keyof SCAcademicPriceGroup;
+}
 
+/**
+ * A user configurations optional properties
+ */
+ interface SCUserConfigurationOptional {
+  /**
+   * User's e-mail
+   */
+  email?: string;
+  /**
+   * User's family name
+   */
+  familyName?: string;
+  /**
+   * User's given name
+   */
+  givenName?: string;
   /**
    * Student ID given to the user
    */