diff --git a/scripts/py_matter_idl/matter_idl/data_model_xml/handlers/handlers.py b/scripts/py_matter_idl/matter_idl/data_model_xml/handlers/handlers.py
index 28a17d5f80a81d..a162e62bfb5e15 100644
--- a/scripts/py_matter_idl/matter_idl/data_model_xml/handlers/handlers.py
+++ b/scripts/py_matter_idl/matter_idl/data_model_xml/handlers/handlers.py
@@ -98,7 +98,7 @@ def GetNextProcessor(self, name: str, attrs):
             return BaseHandler(self.context)
 
 
-class MandatoryConfirmFieldHandler(BaseHandler):
+class MandatoryConformFieldHandler(BaseHandler):
     def __init__(self, context: Context, field: Field):
         super().__init__(context, handled=HandledDepth.SINGLE_TAG)
         self._field = field
@@ -125,7 +125,7 @@ def GetNextProcessor(self, name: str, attrs):
             ApplyConstraint(attrs, self._field)
             return BaseHandler(self.context, handled=HandledDepth.SINGLE_TAG)
         elif name == "mandatoryConform":
-            return MandatoryConfirmFieldHandler(self.context, self._field)
+            return MandatoryConformFieldHandler(self.context, self._field)
         elif name == "optionalConform":
             self._field.qualities |= FieldQuality.OPTIONAL
             return BaseHandler(self.context, handled=HandledDepth.ENTIRE_TREE)
@@ -325,8 +325,11 @@ def GetNextProcessor(self, name: str, attrs):
         elif name == "optionalConform":
             self._attribute.definition.qualities |= FieldQuality.OPTIONAL
             return BaseHandler(self.context, handled=HandledDepth.ENTIRE_TREE)
+        elif name == "otherwiseConform":
+            self._attribute.definition.qualities |= FieldQuality.OPTIONAL
+            return BaseHandler(self.context, handled=HandledDepth.ENTIRE_TREE)
         elif name == "mandatoryConform":
-            return MandatoryConfirmFieldHandler(self.context, self._attribute.definition)
+            return MandatoryConformFieldHandler(self.context, self._attribute.definition)
         elif name == "deprecateConform":
             self._deprecated = True
             return BaseHandler(self.context, handled=HandledDepth.ENTIRE_TREE)
diff --git a/scripts/py_matter_idl/matter_idl/test_data_model_xml.py b/scripts/py_matter_idl/matter_idl/test_data_model_xml.py
index ec2f0cae33c990..dfb4870d29d360 100755
--- a/scripts/py_matter_idl/matter_idl/test_data_model_xml.py
+++ b/scripts/py_matter_idl/matter_idl/test_data_model_xml.py
@@ -204,6 +204,17 @@ def testAttributes(self):
                   <access read="true" readPrivilege="view"/>
                   <mandatoryConform/>
                 </attribute>
+                <attribute id="0x0001" name="TestConform" type="enum8">
+                  <access read="true" readPrivilege="view"/>
+                  <otherwiseConform>
+                    <mandatoryConform>
+                      <feature name="PRSCONST"/>
+                    </mandatoryConform>
+                    <optionalConform>
+                      <feature name="AUTO"/>
+                    </optionalConform>
+                  </otherwiseConform>
+                </attribute>
               </attributes>
             </cluster>
         ''')
@@ -215,6 +226,7 @@ def testAttributes(self):
                }
 
                readonly attribute OutputInfoStruct outputList[] = 0;
+               readonly attribute optional enum8 testConform = 1;
 
                readonly attribute attrib_id attributeList[] = 65531;
                readonly attribute event_id eventList[] = 65530;