diff --git a/app/api/tools.py b/app/api/tools.py
index 08fd8aeb..90750e12 100644
--- a/app/api/tools.py
+++ b/app/api/tools.py
@@ -29,12 +29,8 @@ def get_etud(etudid=None, nip=None, ine=None) -> models.Identite:
     allowed_depts = current_user.get_depts_with_permission(Permission.ScoView)
 
     if etudid is not None:
-        etud: Identite = Identite.query.get(etudid)
-        if (None in allowed_depts) or etud.departement.acronym in allowed_depts:
-            return etud
-        return None  # accès interdit => pas d'étudiant
-
-    if nip is not None:
+        query: Identite = Identite.query.filter_by(id=etudid)
+    elif nip is not None:
         query = Identite.query.filter_by(code_nip=nip)
     elif ine is not None:
         query = Identite.query.filter_by(code_ine=ine)
@@ -45,7 +41,7 @@ def get_etud(etudid=None, nip=None, ine=None) -> models.Identite:
         )
     if None not in allowed_depts:
         # restreint aux départements autorisés:
-        etuds = etuds.join(Departement).filter(
+        query = query.join(Departement).filter(
             or_(Departement.acronym == acronym for acronym in allowed_depts)
         )
     return query.join(Admission).order_by(desc(Admission.annee)).first()
diff --git a/app/views/absences.py b/app/views/absences.py
index 28f17ef7..829fb2d4 100644
--- a/app/views/absences.py
+++ b/app/views/absences.py
@@ -72,6 +72,7 @@ from app.decorators import (
 )
 from app.models import FormSemestre, GroupDescr
 from app.models.absences import BilletAbsence
+from app.models.etudiants import Identite
 from app.views import absences_bp as bp
 
 # ---------------
@@ -1099,7 +1100,7 @@ def AddBilletAbsence(
     begin,
     end,
     description,
-    etudid=False,
+    etudid=None,
     code_nip=None,
     code_ine=None,
     justified=True,
@@ -1114,7 +1115,7 @@ def AddBilletAbsence(
     end = str(end)
     code_nip = str(code_nip) if code_nip else None
 
-    etud = api.tools.get_etud(etudid=None, nip=None, ine=None)
+    etud = api.tools.get_etud(etudid=etudid, nip=code_nip, ine=code_ine)
     # check dates
     begin_date = dateutil.parser.isoparse(begin)  # may raises ValueError
     end_date = dateutil.parser.isoparse(end)
@@ -1212,9 +1213,12 @@ def billets_etud(etudid=False):
 @scodoc
 @permission_required_compat_scodoc7(Permission.ScoView)
 @scodoc7func
-def XMLgetBilletsEtud(etudid=False):
+def XMLgetBilletsEtud(etudid=False, code_nip=False):
     """Liste billets pour un etudiant"""
     log("Warning: called deprecated XMLgetBilletsEtud")
+    if etudid is False:
+        etud = Identite.query.filter_by(code_nip=str(code_nip)).first_or_404()
+        etudid = etud.id
     table = sco_abs_billets.table_billets_etud(etudid)
     if table:
         return table.make_page(format="xml")
diff --git a/sco_version.py b/sco_version.py
index 436982a2..f840d9de 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.3.25"
+SCOVERSION = "9.3.26"
 
 SCONAME = "ScoDoc"