diff --git a/src/utils/contacts/generate_contact_list_to_register.py b/src/utils/contacts/generate_contact_list_to_register.py
index c3b88d8..6ed8af0 100644
--- a/src/utils/contacts/generate_contact_list_to_register.py
+++ b/src/utils/contacts/generate_contact_list_to_register.py
@@ -4,6 +4,12 @@ import random
 import xlsxwriter
 
 from src.db.mongo_manager import MONGO_STORE_MANAGER
+from src.pojo import ReserveResultPojo
+from src.pojo.users.regisered_user_pojo import RegisteredUserPojo
+
+
+def has_email(registeredUserPojo: RegisteredUserPojo, reserveResultPojo: ReserveResultPojo):
+    return registeredUserPojo.mail == reserveResultPojo.mail
 
 
 def generate_list_to_register():
@@ -12,10 +18,7 @@ def generate_list_to_register():
     _contact_list_to_register = []
     for _contact in _valid_contact_list:
         _to_add = True
-        for _registered_user in _already_registered_list:
-            if _contact.mail == _registered_user.mail:
-                _to_add = False
-                break
+        _to_add = not any(has_email(_registered_user, _contact) for _registered_user in _already_registered_list)
         if _to_add:
             _contact_list_to_register.append(_contact)
     _all_contacts = MONGO_STORE_MANAGER.get_all_contacts_to_book()
@@ -27,7 +30,11 @@ def generate_list_to_register():
                     _contact.phone = _true_contact.phone
                     _contact.passport = _true_contact.passport
                     _contact.first_name = _true_contact.first_name
-    return _contact_list_to_register
+    _contact_list_to_create = []
+    for _contact in _contact_list_to_register:
+        if _contact.last_name is not None and len(_contact.last_name) > 0:
+            _contact_list_to_create.append(_contact)
+    return _contact_list_to_create
 
 
 def write_new_contacts_to_register_to_excel(valid_contacts: list, file_name=str(datetime.date.today())):
@@ -60,4 +67,4 @@ def write_new_contacts_to_register_to_excel(valid_contacts: list, file_name=str(
 
 
 if __name__ == '__main__':
-    write_new_contacts_to_register_to_excel(generate_list_to_register())
\ No newline at end of file
+    write_new_contacts_to_register_to_excel(generate_list_to_register())