diff --git a/pms_l10n_es/models/pms_reservation.py b/pms_l10n_es/models/pms_reservation.py
index f1a425211ae..eeaaf5db962 100644
--- a/pms_l10n_es/models/pms_reservation.py
+++ b/pms_l10n_es/models/pms_reservation.py
@@ -35,7 +35,10 @@ def create_communication(self, reservation_id, operation, entity):
     @api.model
     def create(self, vals):
         reservation = super(PmsReservation, self).create(vals)
-        if reservation.pms_property_id.institution == "ses":
+        if (
+            reservation.pms_property_id.institution == "ses"
+            and reservation.reservation_type != "out"
+        ):
             self.create_communication(reservation.id, CREATE_OPERATION_CODE, "RH")
         return reservation
 
diff --git a/pms_l10n_es/wizards/traveller_report.py b/pms_l10n_es/wizards/traveller_report.py
index 16dbfd93a4f..66dca9a1baa 100644
--- a/pms_l10n_es/wizards/traveller_report.py
+++ b/pms_l10n_es/wizards/traveller_report.py
@@ -37,11 +37,20 @@
 # requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
 
 
-def clean_string_ses(string):
-    clean_string = re.sub(r"[^a-zA-Z0-9\s]", "", string).upper()
+def replace_multiple_spaces(text: str) -> str:
+    # Replace 2 or more consecutive spaces with a single space
+    return re.sub(r"\s{2,}", " ", text)
+
 
+def clean_string_only_letters(string):
+    clean_string = re.sub(r"[^a-zA-Z\s]", "", string).upper()
     clean_string = " ".join(clean_string.split())
+    return
+
 
+def clean_string_only_numbers_and_letters(string):
+    clean_string = re.sub(r"[^a-zA-Z0-9\s]", "", string).upper()
+    clean_string = " ".join(clean_string.split())
     return clean_string
 
 
@@ -104,9 +113,13 @@ def _ses_xml_person_names_elements(persona, reservation, checkin_partner):
     if reservation:
         ses_firstname = False
         if reservation.partner_id.firstname:
-            ses_firstname = clean_string_ses(reservation.partner_id.firstname)
+            ses_firstname = clean_string_only_letters(reservation.partner_id.firstname)[
+                :50
+            ]
         elif reservation.partner_name:
-            ses_firstname = clean_string_ses(reservation.partner_name).split(" ")[0]
+            ses_firstname = clean_string_only_letters(
+                replace_multiple_spaces(reservation.partner_name)
+            ).split(" ")[0][:50]
         _ses_xml_text_element_and_validate(
             persona,
             "nombre",
@@ -115,9 +128,16 @@ def _ses_xml_person_names_elements(persona, reservation, checkin_partner):
         )
 
         if reservation.partner_id.lastname:
-            ses_lastname = clean_string_ses(reservation.partner_id.lastname)
-        elif reservation.partner_name and len(reservation.partner_name.split(" ")) > 1:
-            ses_lastname = clean_string_ses(reservation.partner_name).split(" ")[1]
+            ses_lastname = clean_string_only_letters(reservation.partner_id.lastname)[
+                :50
+            ]
+        elif (
+            reservation.partner_name
+            and len(replace_multiple_spaces(reservation.partner_name).split(" ")) > 1
+        ):
+            ses_lastname = clean_string_only_letters(
+                replace_multiple_spaces(reservation.partner_name)
+            ).split(" ")[1][:50]
         else:
             ses_lastname = "No aplica"
         ET.SubElement(persona, "apellido1").text = ses_lastname
@@ -126,13 +146,13 @@ def _ses_xml_person_names_elements(persona, reservation, checkin_partner):
         _ses_xml_text_element_and_validate(
             persona,
             "nombre",
-            clean_string_ses(checkin_partner.firstname),
+            clean_string_only_letters(checkin_partner.firstname)[:50],
             _("The guest does not have a name."),
         )
         _ses_xml_text_element_and_validate(
             persona,
             "apellido1",
-            clean_string_ses(checkin_partner.lastname),
+            clean_string_only_letters(checkin_partner.lastname)[:50],
             _("The guest does not have a lastname."),
         )
 
@@ -140,7 +160,7 @@ def _ses_xml_person_names_elements(persona, reservation, checkin_partner):
             _ses_xml_text_element_and_validate(
                 persona,
                 "apellido2",
-                clean_string_ses(checkin_partner.partner_id.lastname2),
+                clean_string_only_letters(checkin_partner.partner_id.lastname2)[:50],
                 _("The guest does not have a second lastname."),
             )
 
@@ -1121,9 +1141,11 @@ def ses_send_incomplete_traveller_reports(
             ]
         ):
             try:
-                if (
-                    fields.Datetime.now() - communication.create_date
-                ).hours > hours_after_first_checkin_to_inform:
+                time_difference = fields.Datetime.now() - communication.create_date
+                hours_difference = (
+                    time_difference.days * 24 + time_difference.seconds // 3600
+                )
+                if hours_difference > hours_after_first_checkin_to_inform:
                     # add a note to the reservation
                     communication.reservation_id.sudo().message_post(
                         body=_(