diff --git a/src/Rules.cpp b/src/Rules.cpp
index b6b7fcb6..755e363e 100644
--- a/src/Rules.cpp
+++ b/src/Rules.cpp
@@ -163,6 +163,15 @@ std::vector <std::string> Rules::all (const std::string& stem) const
   return items;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+bool Rules::isRuleType (const std::string& type) const
+{
+  if (std::find (_rule_types.begin (), _rule_types.end (), type) != _rule_types.end ())
+    return true;
+
+  return false;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 std::string Rules::dump () const
 {
diff --git a/src/Rules.h b/src/Rules.h
index 8a241360..26581d35 100644
--- a/src/Rules.h
+++ b/src/Rules.h
@@ -50,6 +50,7 @@ public:
   void set (const std::string&, const std::string&);
 
   std::vector <std::string> all (const std::string& stem = "") const;
+  bool isRuleType (const std::string&) const;
 
   std::string dump () const;
 
@@ -66,6 +67,7 @@ private:
 private:
   std::string                         _original_file {};
   std::map <std::string, std::string> _settings      {};
+  std::vector <std::string>           _rule_types    {"tags", "reports", "theme", "holidays", "exclusions"};
 };
 
 #endif