diff --git a/ns/NS_Tests.ttcn b/ns/NS_Tests.ttcn
index 3d7b31a..b57d686 100644
--- a/ns/NS_Tests.ttcn
+++ b/ns/NS_Tests.ttcn
@@ -964,6 +964,34 @@
 	f_clean_ns_codec();
 }
 
+/* 48.016 7.2 ensure tx status (blocked) is correctly parsed
+ *
+ * TTCN  -> NS: reset
+ * TTCN <-  NS: reset ack
+ * TTCN  -> NS: unblock
+ * TTCN <-  NS: unblock ack
+ * TTCN  -> NS: unitdata
+ * TTCN <-  NS: unitdata (mirror)
+ * TTCN  -> NS: status (blocked)
+ * TTCN  -> NS: unitdata
+ * TTCN <-  NS: status (blocked)
+ */
+testcase TC_mirror_unitdata_tx_status_blocked() runs on RAW_Test_CT {
+	f_tx_unblock();
+
+	f_vty_config2(NSVTY, {}, "mirror-mode enable");
+	NSCP[0].send(ts_NS_UNITDATA(t_SduCtrlB, 42, '0011234242230101'O));
+	var PDU_NS pdu := f_ns_exp(tr_NS_UNITDATA(t_SduCtrlB, 42, '0011234242230101'O));
+
+	NSCP[0].send(ts_NS_STATUS(NS_CAUSE_NSVC_BLOCKED, pdu));
+	NSCP[0].send(ts_NS_UNITDATA(t_SduCtrlB, 42, '0011234242230101'O));
+	f_ns_exp(tr_NS_STATUS(NS_CAUSE_NSVC_BLOCKED));
+
+	f_vty_config2(NSVTY, {}, "mirror-mode disable");
+	f_sleep(1.0);
+	f_clean_ns_codec();
+}
+
 control {
 	if (mp_dialect == NS2_DIALECT_STATIC_RESETBLOCK or mp_dialect == NS2_DIALECT_IPACCESS) {
 		execute( TC_tx_reset() );
@@ -974,6 +1002,7 @@
 		execute( TC_tx_block_by_vty_reset() );
 		execute( TC_tx_block_unitdata_over_blocked() );
 		execute( TC_rx_block_unitdata_over_blocked() );
+		execute( TC_mirror_unitdata_tx_status_blocked() );
 		// execute( TC_block_other_nsvc() ); // reset, unblock, sleep(1), block over another nsvci
 		/* 48.016 7.2 Unblock procedure */
 		execute( TC_tx_unblock() );