diff --git a/app/views/admin/registrars/form/_billing.html.erb b/app/views/admin/registrars/form/_billing.html.erb
index 5bc87a93d..ff67232de 100644
--- a/app/views/admin/registrars/form/_billing.html.erb
+++ b/app/views/admin/registrars/form/_billing.html.erb
@@ -23,7 +23,7 @@
                     </div>
                     <div class="col-md-3">
                         <div class="input-group">
-                            <%= f.number_field :vat_rate, class: 'form-control' %>
+                            <%= f.number_field :vat_rate, min: 0, max: 99, class: 'form-control' %>
                             <div class="input-group-addon">%</div>
                         </div>
                     </div>