diff --git a/locale/en/LC_MESSAGES/django.po b/locale/en/LC_MESSAGES/django.po
new file mode 100644
index 0000000..0d330f1
--- /dev/null
+++ b/locale/en/LC_MESSAGES/django.po
@@ -0,0 +1,20 @@
+msgid "resident_national_id_not_valid"
+msgstr "Worker national id not valid."
+
+msgid "organization_national_id_not_valid"
+msgstr "Organization national id not valid."
+
+msgid "vehicle_national_id_not_valid"
+msgstr "Vehicle national id not valid."
+
+msgid "resident_national_id_checksum_not_valid"
+msgstr "Worker national id checksum not valid."
+
+msgid "organization_national_id_checksum_not_valid"
+msgstr "Organization national id checksum not valid."
+
+msgid "vehicle_national_id_checksum_not_valid"
+msgstr "Vehicle national id checksum not valid."
+
+msgid "role_validation.unknown_role"
+msgstr "Unknown role coming from mPass."
\ No newline at end of file
diff --git a/msystems/apps.py b/msystems/apps.py
index f7cf183..e4f9eb8 100644
--- a/msystems/apps.py
+++ b/msystems/apps.py
@@ -98,6 +98,7 @@ class MsystemsConfig(AppConfig):
     ADMIN = 'Admin'
     INSPECTOR = 'Inspector'
     EMPLOYER = 'Employer'
+    IMIS_ADMIN = 'IMIS Administrator'
     ##### ------------------ ####
 
     saml_config = None
diff --git a/msystems/services.py b/msystems/services.py
index e931bd6..7487f3d 100644
--- a/msystems/services.py
+++ b/msystems/services.py
@@ -6,6 +6,8 @@
 from django.db import transaction
 from django.db.models import Q
 from secrets import token_hex
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext as _
 
 from core.models import User, InteractiveUser, Role, UserRole
 from core.services.userServices import create_or_update_user_districts
@@ -84,6 +86,9 @@ def _update_user_legal_entities(self, user: User, user_data: dict) -> None:
     def _update_user_roles(self, user, user_data):
         msystem_roles_list = user_data.get('Role', [MsystemsConfig.EMPLOYER])
 
+        for role in msystem_roles_list:
+            self._validate_incoming_roles(role)
+
         self._delete_old_user_roles(user, msystem_roles_list)
         self._add_new_user_roles(user, msystem_roles_list)
 
@@ -158,4 +163,11 @@ def _remove_previous_user_roles(self, i_user):
                 role.delete_history()
 
     def _parse_msystem_role_to_imis_role(self, msystem_role):
-        return Role.objects.filter(name=msystem_role).first()
+        role_string = msystem_role
+        if msystem_role == MsystemsConfig.ADMIN:
+            role_string = MsystemsConfig.IMIS_ADMIN
+        return Role.objects.filter(name=role_string).first()
+
+    def _validate_incoming_roles(self, role):
+        if role not in [MsystemsConfig.ADMIN, MsystemsConfig.EMPLOYER, MsystemsConfig.INSPECTOR]:
+            raise ValidationError(_("role_validation.unknown_role"))