diff --git a/app/models/verification/management/email.rb b/app/models/verification/management/email.rb
index 5b7593673..bb284ea2b 100644
--- a/app/models/verification/management/email.rb
+++ b/app/models/verification/management/email.rb
@@ -8,6 +8,7 @@ class Verification::Management::Email
   validates :document_type, :document_number, :email, presence: true
   validates :email, format: { with: Devise.email_regexp }, allow_blank: true
   validate :validate_user
+  validate :validate_document_number
 
   delegate :username, to: :user, allow_nil: true
 
@@ -32,25 +33,29 @@ class Verification::Management::Email
     true
   end
 
-  def already_verified?
-    user? && user.level_three_verified?
-  end
+  private
 
-  def document_number_mismatch?
-    user? && user.document_number.present? &&
-      (user.document_number != document_number || user.document_type != document_type)
-  end
-
-  def validate_user
-    return if errors.count > 0
-    errors.add(:email, I18n.t('errors.messages.user_not_found')) unless user?
-    if already_verified?
-      errors.add(:email, I18n.t('management.email_verifications.already_verified'))
-    elsif document_number_mismatch?
-      errors.add(:email,
-                 I18n.t('management.email_verifications.document_mismatch',
-                         document_type: ApplicationController.helpers.humanize_document_type(user.document_type),
-                         document_number: user.document_number))
+    def validate_user
+      return if errors.count > 0
+      if !user?
+        errors.add(:email, I18n.t('errors.messages.user_not_found'))
+      elsif user.level_three_verified?
+        errors.add(:email, I18n.t('management.email_verifications.already_verified'))
+      end
+    end
+
+    def validate_document_number
+      return if errors.count > 0
+      if document_number_mismatch?
+        errors.add(:email,
+                   I18n.t('management.email_verifications.document_mismatch',
+                           document_type: ApplicationController.helpers.humanize_document_type(user.document_type),
+                           document_number: user.document_number))
+      end
+    end
+
+    def document_number_mismatch?
+      user? && user.document_number.present? &&
+        (user.document_number != document_number || user.document_type != document_type)
     end
-  end
 end