diff --git a/0.4/cass2ceasn b/0.4/cass2ceasn
index df952b6..4933b32 100644
--- a/0.4/cass2ceasn
+++ b/0.4/cass2ceasn
@@ -75,6 +75,10 @@
 			"@id": "ceasn:competencyCategory",
 			"@language": "en-US"
 		},
+		"http://schema.eduworks.com/ims/case/v1p0/listEnumeration": {
+			"@id": "ceasn:listID",
+			"@type": "xsd:string"
+		},
 		"privateEncrypted": {
 			"@id": "ebac:privateEncrypted"
 		},
diff --git a/0.4/ceasn2cass b/0.4/ceasn2cass
index 513c9b5..14392d4 100644
--- a/0.4/ceasn2cass
+++ b/0.4/ceasn2cass
@@ -89,8 +89,10 @@
 			"@id": "ceasn:conceptTerm"
 		},
 		"ceasn:dateCreated": {
-			"@id": "schema:dateCreated",
-			"@type": "xsd:date"
+			"@id": "schema:dateCreated"
+		},
+		"ceasn:dateModified": {
+			"@id": "schema:dateModified"
 		},
 		"ceasn:dateValidFrom": {
 			"@id": "schema:validFrom",