diff --git a/apps/web/process/elt/validation.ts b/apps/web/process/elt/validation.ts
index 7d978e9..30bd97b 100644
--- a/apps/web/process/elt/validation.ts
+++ b/apps/web/process/elt/validation.ts
@@ -259,6 +259,8 @@ export function createValidationSchema({ apolloClient }: ValidationContext) {
       }
 
       let okved: string | null | undefined;
+      let evo_inn: string | null | undefined;
+
       if (leadid) {
         const {
           data: { lead },
@@ -268,6 +270,7 @@ export function createValidationSchema({ apolloClient }: ValidationContext) {
         });
 
         okved = lead?.accountidData?.evo_okved;
+        evo_inn = lead?.evo_inn;
       }
 
       if (!okved && opportunityid) {
@@ -302,6 +305,14 @@ export function createValidationSchema({ apolloClient }: ValidationContext) {
           path: ['eltKasko', 'eltOsago'],
         });
       }
+
+      if (!evo_inn) {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: 'ИНН в интересе не заполнен',
+          path: ['eltKasko', 'eltOsago'],
+        });
+      }
     }
   );
 }