diff --git a/examples/client/Locomotion/src/context/user/index.tsx b/examples/client/Locomotion/src/context/user/index.tsx
index 8e4e9505e..965608a83 100644
--- a/examples/client/Locomotion/src/context/user/index.tsx
+++ b/examples/client/Locomotion/src/context/user/index.tsx
@@ -173,13 +173,32 @@ const UserContextProvider = ({ children }: { children: any }) => {
     return vertResponse.status === 'OK';
   };
 
+  const getAllowedDemandSourceIds = (): string[] => {
+    try {
+      if (!Config.ALLOWED_DEMAND_SOURCE_IDS) {
+        return [];
+      }
+      const allowedDemandSourceIds = JSON.parse(Config.ALLOWED_DEMAND_SOURCE_IDS);
+      return Array.isArray(allowedDemandSourceIds) ? allowedDemandSourceIds : [];
+    } catch (error) {
+      Mixpanel.setEvent('Invalid ALLOWED_DEMAND_SOURCE_IDS', { allowedDemandSourceIds: Config.ALLOWED_DEMAND_SOURCE_IDS });
+      return [];
+    }
+  };
+
   const onLogin = async (phoneNumber: string, channel = 'sms') => {
     const demandSourceId = await AppSettings.getOperationId();
-    await loginApi({
+    const allowedDemandSourceIds = getAllowedDemandSourceIds();
+    const response = await loginApi({
       phoneNumber,
       channel,
       demandSourceId,
+      allowedDemandSourceIds,
     });
+    const { selectedDemandSourceId } = response;
+    if (allowedDemandSourceIds.length > 0 && selectedDemandSourceId && selectedDemandSourceId !== demandSourceId) {
+      await AppSettings.setOperationId(selectedDemandSourceId);
+    }
     // successful login - delete captcha token
     await StorageService.delete('captchaToken');
   };
diff --git a/examples/client/Locomotion/src/services/app-settings.js b/examples/client/Locomotion/src/services/app-settings.js
index 0dc4cef38..13e1a922e 100644
--- a/examples/client/Locomotion/src/services/app-settings.js
+++ b/examples/client/Locomotion/src/services/app-settings.js
@@ -31,6 +31,7 @@ const AppSettings = {
       },
     });
   },
+  setOperationId: async newOperationId => AppSettings.setSettings({ operationId: newOperationId }),
   destroy: async () => Storage.clear(),
 };