diff --git a/lib/domains/at/ac/rg18.txt b/lib/domains/at/ac/rg18.txt
new file mode 100644
index 0000000000..1be44c7e84
--- /dev/null
+++ b/lib/domains/at/ac/rg18.txt
@@ -0,0 +1 @@
+BRG 18