diff --git a/application/Espo/Acl/Note.php b/application/Espo/Acl/Note.php
index a85b8dc716..9a20fd2bdf 100644
--- a/application/Espo/Acl/Note.php
+++ b/application/Espo/Acl/Note.php
@@ -34,6 +34,10 @@ use \Espo\ORM\Entity;
 
 class Note extends \Espo\Core\Acl\Base
 {
+    protected $deleteThresholdPeriod = '1 month';
+
+    protected $editThresholdPeriod = '7 days';
+
     public function checkIsOwner(EntityUser $user, Entity $entity)
     {
         if ($entity->get('type') === 'Post' && $user->id === $entity->get('createdById')) {
@@ -41,5 +45,60 @@ class Note extends \Espo\Core\Acl\Base
         }
         return false;
     }
-}
 
+    public function checkEntityEdit(EntityUser $user, Entity $entity, $data)
+    {
+        if ($user->isAdmin()) {
+            return true;
+        }
+
+        if ($this->checkEntity($user, $entity, $data, 'edit')) {
+            if ($this->checkIsOwner($user, $entity)) {
+                $createdAt = $entity->get('createdAt');
+                if ($createdAt) {
+                    $noteEditThresholdPeriod = '-' . $this->getConfig()->get('noteEditThresholdPeriod', $this->editThresholdPeriod);
+                    $dt = new \DateTime();
+                    $dt->modify($noteEditThresholdPeriod);
+                    try {
+                        if ($dt->format('U') > (new \DateTime($createdAt))->format('U')) {
+                            return false;
+                        }
+                    } catch (\Exception $e) {
+                        return false;
+                    }
+                }
+            }
+            return true;
+        }
+
+        return false;
+    }
+
+    public function checkEntityDelete(EntityUser $user, Entity $entity, $data)
+    {
+        if ($user->isAdmin()) {
+            return true;
+        }
+
+        if ($this->checkEntity($user, $entity, $data, 'delete')) {
+            if ($this->checkIsOwner($user, $entity)) {
+                $createdAt = $entity->get('createdAt');
+                if ($createdAt) {
+                    $deleteThresholdPeriod = '-' . $this->getConfig()->get('noteDeleteThresholdPeriod', $this->deleteThresholdPeriod);
+                    $dt = new \DateTime();
+                    $dt->modify($deleteThresholdPeriod);
+                    try {
+                        if ($dt->format('U') > (new \DateTime($createdAt))->format('U')) {
+                            return false;
+                        }
+                    } catch (\Exception $e) {
+                        return false;
+                    }
+                }
+            }
+            return true;
+        }
+
+        return false;
+    }
+}