diff --git a/apps/web/process/used-pl/reactions.ts b/apps/web/process/used-pl/reactions.ts
index f64427e..80effc1 100644
--- a/apps/web/process/used-pl/reactions.ts
+++ b/apps/web/process/used-pl/reactions.ts
@@ -313,6 +313,32 @@ export function common({ store, apolloClient }: ProcessContext) {
       }
     }
   );
+
+  /**
+   * Если Продукт selectProduct в "ID" содержит "IZT"
+   * то поле "ПЛ БУ" leaseObjectUsed = true Да и закрыто для редактирования,
+   * иначе открыто для редактирования
+   */
+  reaction(
+    () => $calculation.element('selectProduct').getValue(),
+    async (productId) => {
+      let izt = false;
+
+      if (productId) {
+        const {
+          data: { evo_baseproduct },
+        } = await apolloClient.query({
+          query: CRMTypes.GetProductDocument,
+          variables: { productId },
+        });
+
+        if (evo_baseproduct?.evo_id) izt = evo_baseproduct?.evo_id?.includes('IZT');
+      }
+
+      if (izt) $calculation.element('cbxLeaseObjectUsed').block();
+      else $calculation.element('cbxLeaseObjectUsed').unblock();
+    }
+  );
 }
 
 export const validation = createValidationReaction(createValidationSchema);