diff --git a/app/resources/views/ventas/add.blade.php b/app/resources/views/ventas/add.blade.php
index d2be237..7aa7688 100644
--- a/app/resources/views/ventas/add.blade.php
+++ b/app/resources/views/ventas/add.blade.php
@@ -150,6 +150,7 @@
     </div>
 @endsection
 
+@include('layout.body.scripts.rut')
 @push('page_scripts')
     <script type="text/javascript">
         const regiones = [
@@ -158,7 +159,7 @@
             @endforeach
         ]
 
-        class Rut {
+        class RutHandler {
             ids
             patterns
             valid
@@ -222,7 +223,7 @@
                 if (!this.is().like(rut) || (not_suspicious && this.is().suspicious(rut))) {
                     return false
                 }
-                return this.get().verifier(rut).toLowerCase() === this.calculate().verifier(this.get().digits(rut))
+                return Rut.validar(this.get().digits(rut), this.get().verifier(rut))
             }
             verify(event) {
                 this.alert().valid()
@@ -407,7 +408,7 @@
                 return lines.join("\n")
             }
             activate() {
-                new Rut({id: '#rut', alert_id: '#alert_rut', valid: this.valid})
+                new RutHandler({id: '#rut', alert_id: '#alert_rut', valid: this.valid})
                 const comuna = new Comuna('#comuna')
                 new Region({id: '#region', comuna})
             }
@@ -469,7 +470,7 @@
                 return [lines.join("\n"), this.persona.draw()].join("\n")
             }
             activate() {
-                new Rut({id: '#rut_sociedad', alert_id: '#alert_rut_sociedad'})
+                new RutHandler({id: '#rut_sociedad', alert_id: '#alert_rut_sociedad'})
                 const comuna = new Comuna('#comuna_sociedad')
                 new Region({id: '#region_sociedad', comuna})
                 this.persona.activate()
@@ -542,7 +543,7 @@
             }
             activate() {
                 this.persona.activate()
-                new Rut({id: '#rut_otro', alert_id: '#alert_rut_otro'})
+                new RutHandler({id: '#rut_otro', alert_id: '#alert_rut_otro'})
                 const comuna = new Comuna('#comuna_otro')
                 new Region({id: '#region_otro', comuna})
             }