diff --git a/apps/core/models.py b/apps/core/models.py
index f3c4bb5..e69de29 100644
--- a/apps/core/models.py
+++ b/apps/core/models.py
@@ -1,73 +0,0 @@
-import uuid
-
-from django.conf import settings
-from django.db import models
-from django.utils.translation import gettext_lazy as _
-
-user_model = settings.AUTH_USER_MODEL
-
-
-
-class IsDeletedManager(models.Manager):
-    def get_queryset(self):
-        return super().get_queryset().filter(is_deleted=False)
-
-
-
-class BaseModel(models.Model):
-    """
-        Tracks instance creations, updates, and (soft) deletions.
-    """
-
-    uid = models.UUIDField(
-        verbose_name=_("UUID"), unique=True, default=uuid.uuid4, editable=False
-    )
-
-    created_by = models.ForeignKey(
-        to=user_model,
-        verbose_name=_("Created by"),
-        null=True,
-        blank=True,
-        related_name="%(class)s_created",
-        on_delete=models.SET_NULL,
-    )
-
-    created_at = models.DateTimeField(
-        verbose_name=_("Created at"),
-        auto_now_add=True,
-        editable=False,
-        db_index=True,
-    )
-
-    updated_by = models.ForeignKey(
-        to=user_model,
-        verbose_name=_("Updated by"),
-        null=True,
-        blank=True,
-        related_name="%(class)s_updated",
-        on_delete=models.SET_NULL,
-    )
-
-    updated_at = models.DateTimeField(
-        verbose_name=_("Updated at"), auto_now=True, null=True, blank=True
-    )
-
-    deleted_by = models.ForeignKey(
-        to=user_model,
-        verbose_name=_("Deleted by"),
-        null=True,
-        blank=True,
-        related_name="%(class)s_deleted",
-        on_delete=models.SET_NULL,
-    )
-
-    deleted_at = models.DateTimeField(verbose_name=_("Deleted at"), null=True, blank=True)
-
-    is_deleted = models.BooleanField(verbose_name=_("Is deleted"), default=False)
-
-    objects = IsDeletedManager()
-
-    objects_all = models.Manager()
-
-    class Meta:
-        abstract = True
diff --git a/common/constants.py b/common/constants.py
new file mode 100644
index 0000000..7f37291
--- /dev/null
+++ b/common/constants.py
@@ -0,0 +1 @@
+# Add your common constants here that are common for all other apps.
\ No newline at end of file
diff --git a/common/helpers.py b/common/helpers.py
new file mode 100644
index 0000000..e69de29
diff --git a/common/models.py b/common/models.py
new file mode 100644
index 0000000..49854e1
--- /dev/null
+++ b/common/models.py
@@ -0,0 +1,84 @@
+# Standard library imports
+import uuid
+
+# Django imports
+from django.conf import settings
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+# Django Rest Framework imports
+
+# Third party imports
+
+# Local imports
+
+user_model = settings.AUTH_USER_MODEL
+
+
+class IsDeletedManager(models.Manager):
+    def get_queryset(self):
+        return super().get_queryset().filter(is_deleted=False)
+
+
+class BaseModel(models.Model):
+    """
+    Tracks instance creations, updates, and (soft) deletions.
+    """
+
+    uuid = models.UUIDField(
+        verbose_name=_("UUID"), unique=True, default=uuid.uuid4, editable=False
+    )
+
+    created_by = models.ForeignKey(
+        to=user_model,
+        verbose_name=_("Created by"),
+        null=True,
+        blank=True,
+        related_name="%(class)s_created",
+        on_delete=models.SET_NULL,
+    )
+
+    created_at = models.DateTimeField(
+        verbose_name=_("Created at"),
+        auto_now_add=True,
+        editable=False,
+        db_index=True,
+    )
+
+    updated_by = models.ForeignKey(
+        to=user_model,
+        verbose_name=_("Updated by"),
+        null=True,
+        blank=True,
+        related_name="%(class)s_updated",
+        on_delete=models.SET_NULL,
+    )
+
+    updated_at = models.DateTimeField(
+        verbose_name=_("Updated at"),
+        auto_now=True,
+        null=True,
+        blank=True,
+    )
+
+    deleted_by = models.ForeignKey(
+        to=user_model,
+        verbose_name=_("Deleted by"),
+        null=True,
+        blank=True,
+        related_name="%(class)s_deleted",
+        on_delete=models.SET_NULL,
+    )
+
+    deleted_at = models.DateTimeField(
+        verbose_name=_("Deleted at"), null=True, blank=True, default=None
+    )
+
+    is_deleted = models.BooleanField(verbose_name=_("Is deleted"), default=False)
+
+    objects = IsDeletedManager()
+
+    objects_all = models.Manager()
+
+    class Meta:
+        abstract = True