diff --git a/nmostesting/IS05Utils.py b/nmostesting/IS05Utils.py
index 540038f6..3520c639 100644
--- a/nmostesting/IS05Utils.py
+++ b/nmostesting/IS05Utils.py
@@ -42,6 +42,14 @@ def get_valid_transports(self, api_version):
             valid_transports.append("urn:x-nmos:transport:mqtt")
         return valid_transports
 
+    def get_valid_transports_with_transport_file(self, api_version):
+        """Identify the valid transport types which allow a transport file for a given version of IS-05"""
+        valid_transports = ["urn:x-nmos:transport:rtp",
+                            "urn:x-nmos:transport:rtp.mcast",
+                            "urn:x-nmos:transport:rtp.ucast",
+                            "urn:x-nmos:transport:dash"]
+        return valid_transports
+
     def check_num_legs(self, url, res_type, uuid):
         """Checks the number of legs present on a given sender/receiver"""
         min = 1
diff --git a/nmostesting/suites/IS0502Test.py b/nmostesting/suites/IS0502Test.py
index 6ac820e9..3aaa6628 100644
--- a/nmostesting/suites/IS0502Test.py
+++ b/nmostesting/suites/IS0502Test.py
@@ -579,7 +579,8 @@ def test_13(self, test):
             return test.FAIL(result)
 
         try:
-            valid_transports = self.is05_utils.get_valid_transports(self.apis[CONN_API_KEY]["version"])
+            valid_transports = self.is05_utils.get_valid_transports_with_transport_file(
+                self.apis[CONN_API_KEY]["version"])
 
             access_error = False