diff --git a/application/Espo/Modules/Crm/EntryPoints/EventConfirmation.php b/application/Espo/Modules/Crm/EntryPoints/EventConfirmation.php
index 724ff63b9b..bbe9e1b6e1 100644
--- a/application/Espo/Modules/Crm/EntryPoints/EventConfirmation.php
+++ b/application/Espo/Modules/Crm/EntryPoints/EventConfirmation.php
@@ -67,7 +67,6 @@ class EventConfirmation implements EntryPoint
 
     /**
      * @throws BadRequest
-     * @throws NotFound
      * @throws Error
      */
     public function run(Request $request, Response $response): void
@@ -128,8 +127,17 @@ class EventConfirmation implements EntryPoint
             return;
         }
 
+        $isRelated =  $this->entityManager
+            ->getRDBRepository($eventType)
+            ->getRelation($event, $link)
+            ->isRelated($invitee);
+
         $eventStatus = $event->get('status');
 
+        if (!$isRelated) {
+            $eventStatus = Meeting::STATUS_NOT_HELD;
+        }
+
         if (in_array($eventStatus, [Meeting::STATUS_HELD, Meeting::STATUS_NOT_HELD])) {
             $actionData = [
                 'eventName' => $event->get('name'),
diff --git a/client/modules/crm/res/templates/event-confirmation/confirmation.tpl b/client/modules/crm/res/templates/event-confirmation/confirmation.tpl
index 56f3b22deb..2e47d1daad 100644
--- a/client/modules/crm/res/templates/event-confirmation/confirmation.tpl
+++ b/client/modules/crm/res/templates/event-confirmation/confirmation.tpl
@@ -3,15 +3,18 @@
         <div class="panel panel-default">
             <div class="panel-body">
                 <h4 class="margin-bottom-2x">{{actionData.translatedEntityType}}: {{actionData.eventName}}</h4>
+                {{#if dateStart}}
                 <div class="margin-bottom-2x">
                     {{#if dateStartChanged}}
                     <div style="text-decoration: line-through;">{{sentDateStart}}</div>
                     {{/if}}
                     <div>{{dateStart}}</div>
                 </div>
+                {{/if}}
                 <div>
                     <span class="label label-{{style}} label-md">{{actionData.translatedStatus}}</span>
                     &nbsp;<div class="btn-group">
+                        {{#if actionDataList}}
                         <a role="button" class="dropdown-toggle text-soft" data-toggle="dropdown">
                             <span class="fas fa-ellipsis-h"></span>
                         </a>
@@ -24,6 +27,7 @@
                             </li>
                             {{/each}}
                         </ul>
+                        {{/if}}
                     </div>
                 </div>
             </div>
diff --git a/client/modules/crm/src/views/event-confirmation/confirmation.js b/client/modules/crm/src/views/event-confirmation/confirmation.js
index 6b12e74e48..b539e64924 100644
--- a/client/modules/crm/src/views/event-confirmation/confirmation.js
+++ b/client/modules/crm/src/views/event-confirmation/confirmation.js
@@ -26,7 +26,7 @@
  * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
  ************************************************************************/
 
-define('crm:views/event-confirmation/confirmation', ['view', 'lib!moment'], function (Dep, moment) {
+define('crm:views/event-confirmation/confirmation', ['view'], function (Dep) {
 
     return Dep.extend({
 
@@ -61,10 +61,15 @@ define('crm:views/event-confirmation/confirmation', ['view', 'lib!moment'], func
 
             let statusList = ['Accepted', 'Tentative', 'Declined'];
 
+            if (!statusList.includes(this.actionData.status)) {
+                return null;
+            }
+
             let url = window.location.href.replace('action=' + actionMap[this.actionData.status], 'action={action}');
 
             return statusList.map(item => {
                 let active = item === this.actionData.status;
+
                 return {
                     active: active,
                     link: active ? '' : url.replace('{action}', actionMap[item]),