diff --git a/lib/domains/tn/rnu/isbm.txt b/lib/domains/tn/rnu/isbm.txt
new file mode 100644
index 0000000000..d135bcb9ca
--- /dev/null
+++ b/lib/domains/tn/rnu/isbm.txt
@@ -0,0 +1 @@
+Institut superieur de biotechnologie Monastir