diff --git a/apps/web/process/gibdd/reactions.ts b/apps/web/process/gibdd/reactions.ts
index dd7927c..e37b2f1 100644
--- a/apps/web/process/gibdd/reactions.ts
+++ b/apps/web/process/gibdd/reactions.ts
@@ -404,6 +404,28 @@ export function common({ store, apolloClient, queryClient }: ProcessContext) {
     }
   );
 
+  reaction(
+    () => $calculation.$values.getValues(['lead', 'opportunity', 'objectRegistration']),
+    async ({ lead, objectRegistration, opportunity }) => {
+      const { account } = await getData({ lead, opportunity, quote: null });
+
+      if (objectRegistration === 100_000_000 && account.evo_regionid) {
+        $calculation.element('selectRegionRegistration').setValue(account.evo_regionid).block();
+      } else {
+        $calculation.element('selectRegionRegistration').unblock();
+      }
+
+      if (objectRegistration === 100_000_000 && account.evo_townid) {
+        $calculation.element('selectTownRegistration').setValue(account.evo_townid).block();
+      } else {
+        $calculation.element('selectTownRegistration').unblock();
+      }
+    },
+    {
+      delay: 50,
+    }
+  );
+
   reaction(
     () => $calculation.element('radioObjectRegistration').getValue(),
     (objectRegistration) => {