diff --git a/cif/parse.go b/cif/parse.go
index 9893e70..26fc1a8 100644
--- a/cif/parse.go
+++ b/cif/parse.go
@@ -42,6 +42,9 @@ func parseCifDataStream(dataStream io.ReadCloser) (*parsedData, error) {
 					continue
 				}
 				parsed.header = timetable
+			case "TiplocV1":
+				// This data is not used and is sourced from CORPUS
+				continue
 			case "JsonAssociationV1":
 				// Association data is not currently used
 				// but may be used in the future
@@ -53,6 +56,8 @@ func parseCifDataStream(dataStream io.ReadCloser) (*parsedData, error) {
 					continue
 				}
 				parsed.sched = append(parsed.sched, schedule)
+			default:
+				log.Msg.Warn("Unknown CIF Data type", zap.String("key", key))
 			}
 		}
 	}