diff --git a/data/numex/rules/sl.json b/data/numex/rules/sl.json
new file mode 100644
index 00000000..1fc618cf
--- /dev/null
+++ b/data/numex/rules/sl.json
@@ -0,0 +1,346 @@
+{
+    "rules": [
+        {
+            "name": "nič",
+            "value": 0,
+            "type": "cardinal"
+        },
+        {
+            "name": "nic",
+            "value": 0,
+            "type": "cardinal"
+        },
+        {
+            "name": "ena",
+            "value": 1,
+            "type": "cardinal"
+        },
+        {
+            "name": "dva",
+            "value": 2,
+            "type": "cardinal"
+        },
+        {
+            "name": "dvije",
+            "value": 2,
+            "type": "cardinal",
+            "gender": "f"
+        },
+        {
+            "name": "tri",
+            "value": 3,
+            "type": "cardinal"
+        },
+        {
+            "name": "štiri",
+            "value": 4,
+            "type": "cardinal"
+        },
+        {
+            "name": "stiri",
+            "value": 4,
+            "type": "cardinal"
+        },
+        {
+            "name": "pet",
+            "value": 5,
+            "type": "cardinal"
+        },
+        {
+            "name": "šest",
+            "value": 6,
+            "type": "cardinal"
+        },
+        {
+            "name": "sest",
+            "value": 6,
+            "type": "cardinal"
+        },
+        {
+            "name": "sedem",
+            "value": 7,
+            "type": "cardinal"
+        },
+        {
+            "name": "osem",
+            "value": 8,
+            "type": "cardinal"
+        },
+        {
+            "name": "devet",
+            "value": 9,
+            "type": "cardinal"
+        },
+        {
+            "name": "deset",
+            "value": 10,
+            "type": "cardinal"
+        },
+        {
+            "name": "enajst",
+            "value": 11,
+            "type": "cardinal"
+        },
+        {
+            "name": "dvanajst",
+            "value": 12,
+            "type": "cardinal"
+        },
+        {
+            "name": "trinajst",
+            "value": 13,
+            "type": "cardinal"
+        },
+        {
+            "name": "štrinajst",
+            "value": 14,
+            "type": "cardinal"
+        },
+        {
+            "name": "strinajst",
+            "value": 14,
+            "type": "cardinal"
+        },
+        {
+            "name": "petnajst",
+            "value": 15,
+            "type": "cardinal"
+        },
+        {
+            "name": "šestnajst",
+            "value": 16,
+            "type": "cardinal"
+        },
+        {
+            "name": "sestnajst",
+            "value": 16,
+            "type": "cardinal"
+        },
+        {
+            "name": "sedemnajst",
+            "value": 17,
+            "type": "cardinal"
+        },
+        {
+            "name": "asemnajst",
+            "value": 18,
+            "type": "cardinal"
+        },
+        {
+            "name": "devetnajst",
+            "value": 19,
+            "type": "cardinal"
+        },
+        {
+            "name": "dvaset",
+            "value": 20,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "trideset",
+            "value": 30,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "štirideset",
+            "value": 40,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "stirideset",
+            "value": 40,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "petdeset",
+            "value": 50,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "šestdeset",
+            "value": 60,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "sestdeset",
+            "value": 60,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "sedemdeset",
+            "value": 70,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "osemdeset",
+            "value": 80,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "devetdeset",
+            "value": 90,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "sto",
+            "value": 100,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "dvjesto",
+            "value": 200,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "tristo",
+            "value": 300,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "štiristo",
+            "value": 400,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "stiristo",
+            "value": 400,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "petsto",
+            "value": 500,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "šesto",
+            "value": 600,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "sesto",
+            "value": 600,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "sedemsto",
+            "value": 700,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "osemsto",
+            "value": 800,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "devetsto",
+            "value": 900,
+            "type": "cardinal",
+            "right": "add"
+        },
+        {
+            "name": "tisuću",
+            "value": 1000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "tisucu",
+            "value": 1000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "tisuće",
+            "value": 1000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "tisuce",
+            "value": 1000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "milijun",
+            "value": 1000000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "milijuny",
+            "value": 1000000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "miliarda",
+            "value": 1000000000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "miliardy",
+            "value": 1000000000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+
+        {
+            "name": "bilijun",
+            "value": 1000000000000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "bilijuny",
+            "value": 1000000000000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "biliarda",
+            "value": 1000000000000000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        },
+        {
+            "name": "biliardy",
+            "value": 1000000000000000,
+            "type": "cardinal",
+            "left": "multiply",
+            "right": "add"
+        }
+    ]
+}
\ No newline at end of file