diff --git a/src/constants/numberGeneratorData.json b/src/constants/numberGeneratorData.json
index 0366a8b..4cf1250 100644
--- a/src/constants/numberGeneratorData.json
+++ b/src/constants/numberGeneratorData.json
@@ -27,6 +27,8 @@
   },
   "categoriesRules": {
     "EI": [null, "00", "99"],
+    "EC": [null, "001", "049"],
+    "EN": [null, "001", "049"],
     "MP": [null, "050", "169"],
     "RO": [null, "200", "999"],
     "RP": [null, "050", "169"],