diff --git a/src/ifcopenshell-python/ifcopenshell/ids.py b/src/ifcopenshell-python/ifcopenshell/ids.py
index 548befca25..e500bcef8d 100644
--- a/src/ifcopenshell-python/ifcopenshell/ids.py
+++ b/src/ifcopenshell-python/ifcopenshell/ids.py
@@ -535,7 +535,7 @@ class entity(facet):
 class attribute(facet):
     """The IDS attribute facet"""
 
-    parameters = ["name", "value", "location"]
+    parameters = ["name", "value", "location", "use", "instructions"]
 
     @staticmethod
     def create(name="Name", value=None, location="any", use=None, instructions=None):
@@ -631,11 +631,11 @@ class classification(facet):
     The IDS classification facet by traversing the HasAssociations inverse attribute
     """
 
-    parameters = ["system", "value", "location"]
+    parameters = ["system", "value", "location", "uri", "use", "instructions"]
     message = "%(location)sclassification reference %(value)s from '%(system)s'"
 
     @staticmethod
-    def create(location="any", value=None, system=None):
+    def create(value=None, system=None, location="any", uri=None, use=None, instructions=None):
         """Create a classification facet that can be added to applicability or requirements of IDS specification.
 
         :param location: Where to check for the parameter. One of "any"|"instance"|"type", defaults to "any"
@@ -648,9 +648,12 @@ class classification(facet):
         :rtype: classification
         """
         inst = classification()
-        inst.location = location
         inst.value = value
         inst.system = system
+        inst.location = location
+        inst.uri = uri
+        inst.use = use
+        inst.instructions = instructions
         return inst
 
     def asdict(self):
@@ -659,13 +662,18 @@ class classification(facet):
         :return: Xmlschema compliant dictionary.
         :rtype: dict
         """
-        fac_dict = {
-            "value": parameter_asdict(self.value),
-            "system": parameter_asdict(self.system),
-            "@location": self.location,
-            # "instructions": "SAMPLE_INSTRUCTIONS",
-        }
-        return fac_dict
+        results = {"@location": self.location}
+        if self.value:
+            results["value"] = parameter_asdict(self.value)
+        if self.system:
+            results["system"] = parameter_asdict(self.system)
+        if self.uri:
+            results["@uri"] = self.uri
+        if self.use:
+            results["@use"] = self.use
+        if self.instructions:
+            results["@instructions"] = self.instructions
+        return results
 
     def __call__(self, inst, logger):
         """Validate an ifc instance against that classification facet.
diff --git a/src/ifcopenshell-python/test/test_ids.py b/src/ifcopenshell-python/test/test_ids.py
index e283f39d9c..d247efc9be 100644
--- a/src/ifcopenshell-python/test/test_ids.py
+++ b/src/ifcopenshell-python/test/test_ids.py
@@ -320,7 +320,9 @@ class TestIdsAuthoring(unittest.TestCase):
 
         # Predefined types should match overridden predefined types from the element type
         wall = ifcopenshell.api.run("root.create_entity", ifc, ifc_class="IfcWall", predefined_type="X")
-        wall_type = ifcopenshell.api.run("root.create_entity", ifc, ifc_class="IfcWallType", predefined_type="NOTDEFINED")
+        wall_type = ifcopenshell.api.run(
+            "root.create_entity", ifc, ifc_class="IfcWallType", predefined_type="NOTDEFINED"
+        )
         ifcopenshell.api.run("type.assign_type", ifc, related_object=wall, relating_type=wall_type)
         facet = ids.entity.create(name="IfcWall", predefinedType="X")
         assert bool(facet(wall)) is True
@@ -346,21 +348,22 @@ class TestIdsAuthoring(unittest.TestCase):
         assert bool(facet(wall)) is True
         assert bool(facet(wall2)) is True
 
-
     def test_creating_an_attribute_facet(self):
         attribute = ids.attribute.create(name="name")
         assert attribute.asdict() == {"name": {"simpleValue": "name"}, "@location": "any"}
-        attribute = ids.attribute.create(name="name", value="value")
+        attribute = ids.attribute.create(name="name", value="value", location="instance")
         assert attribute.asdict() == {
             "name": {"simpleValue": "name"},
             "value": {"simpleValue": "value"},
-            "@location": "any",
+            "@location": "instance",
         }
-        attribute = ids.attribute.create(name="name", value="value", use="required", instructions="instructions")
+        attribute = ids.attribute.create(
+            name="name", value="value", location="instance", use="required", instructions="instructions"
+        )
         assert attribute.asdict() == {
             "name": {"simpleValue": "name"},
             "value": {"simpleValue": "value"},
-            "@location": "any",
+            "@location": "instance",
             "@use": "required",
             "@instructions": "instructions",
         }
@@ -452,10 +455,30 @@ class TestIdsAuthoring(unittest.TestCase):
         assert bool(facet(wall)) is True
 
     def test_creating_a_classification_facet(self):
-        c = ids.classification.create(location="any", value="Test_Value", system="Test_System")
-        self.assertEqual(c.location, "any")
-        self.assertEqual(c.value, "Test_Value")
-        self.assertEqual(c.system, "Test_System")
+        facet = ids.classification.create()
+        assert facet.asdict() == {"@location": "any"}
+        facet = ids.classification.create(value="value", system="system", location="instance")
+        assert facet.asdict() == {
+            "value": {"simpleValue": "value"},
+            "system": {"simpleValue": "system"},
+            "@location": "instance",
+        }
+        facet = ids.classification.create(
+            value="value",
+            system="system",
+            location="instance",
+            uri="https://test.com",
+            use="required",
+            instructions="instructions",
+        )
+        assert facet.asdict() == {
+            "value": {"simpleValue": "value"},
+            "system": {"simpleValue": "system"},
+            "@location": "instance",
+            "@uri": "https://test.com",
+            "@use": "required",
+            "@instructions": "instructions",
+        }
 
     def test_property_create(self):
         p = ids.property.create(