diff --git a/backend/geonature/core/gn_meta/mtd/__init__.py b/backend/geonature/core/gn_meta/mtd/__init__.py
index 63ca691d60..7279f2ffa7 100644
--- a/backend/geonature/core/gn_meta/mtd/__init__.py
+++ b/backend/geonature/core/gn_meta/mtd/__init__.py
@@ -345,8 +345,6 @@ def sync_af_and_ds_by_user(id_role, id_af=None):
 
         # Get the list of acquisition frameworks for the user
         # call INPN API for each AF to retrieve info
-        # TODO: check if there is any AF that is retrieved while not being associated to the current instance
-        #   this may theoretically happen as AF from the XML file are not yet filtered with the instance ID
         af_list = mtd_api.get_list_af_for_user()
     else:
         # TODO: Check the following TODO
diff --git a/backend/geonature/core/gn_meta/mtd/xml_parser.py b/backend/geonature/core/gn_meta/mtd/xml_parser.py
index 5f246b9033..4ffc443fc7 100644
--- a/backend/geonature/core/gn_meta/mtd/xml_parser.py
+++ b/backend/geonature/core/gn_meta/mtd/xml_parser.py
@@ -86,9 +86,15 @@ def parse_acquisition_frameworks_xml(xml: str) -> list:
     af_iter = root.iterfind(".//{http://inpn.mnhn.fr/mtd}CadreAcquisition")
     af_list = []
     for af in af_iter:
-        # TODO: IMPORTANT - filter the list of acquisition frameworks with `ID_INSTANCE_FILTER` as made for the datasets in `parse_jdd_xml`
-        #   - Determine it is right to do so: is it possible that no ID_INSTANCE is set for an AF in the XML but still the AF is associated to the instance ?
-        af_list.append(parse_acquisition_framework(af))
+        current_af, id_instance = parse_acquisition_framework(af)
+        # Filter with id_instance
+        # TODO: Determine it is right to not retrieve an AF for which no ID_INSTANCE is set in the XML
+        id_instance_filter = current_app.config["MTD"]["ID_INSTANCE_FILTER"]
+        if id_instance_filter:
+            if id_instance and id_instance == str(id_instance_filter):
+                af_list.append(current_af)
+        else:
+            af_list.append(current_af)
     return af_list
 
 
@@ -100,7 +106,8 @@ def parse_single_acquisition_framework_xml(xml):
     """
     root = ET.fromstring(xml, parser=_xml_parser)
     ca = root.find(".//" + namespace + "CadreAcquisition")
-    return parse_acquisition_framework(ca)
+    parsed_af, _ = parse_acquisition_framework(ca)
+    return parsed_af
 
 
 def parse_acquisition_framework(ca):
@@ -121,11 +128,14 @@ def parse_acquisition_framework(ca):
     ca_id_digitizer = None
     attributs_additionnels_node = ca.find(namespace + "attributsAdditionnels")
 
-    # We extract the ID of the user to assign it the JDD as an id_digitizer
     for attr in attributs_additionnels_node:
+        # We extract the ID of the user to assign it the JDD as an id_digitizer
         if get_tag_content(attr, "nomAttribut") == "ID_CREATEUR":
             ca_id_digitizer = get_tag_content(attr, "valeurAttribut")
 
+        if get_tag_content(attr, "nomAttribut") == "ID_INSTANCE":
+            id_instance = get_tag_content(attr, "valeurAttribut")
+
     # We search for all the Contact nodes :
     # - Main contact in acteurPrincipal node
     # - Funder in acteurAutre node
@@ -149,7 +159,7 @@ def parse_acquisition_framework(ca):
         "meta_update_date": ca_update_date,
         "id_digitizer": ca_id_digitizer,
         "actors": all_actors,
-    }
+    }, id_instance
 
 
 def parse_jdd_xml(xml):