diff --git a/dsmr_parser/obis_name_mapping.py b/dsmr_parser/obis_name_mapping.py
index 0401f5e..bf00f13 100644
--- a/dsmr_parser/obis_name_mapping.py
+++ b/dsmr_parser/obis_name_mapping.py
@@ -48,7 +48,11 @@ EN = {
     obis.GAS_METER_READING: 'GAS_METER_READING',
     obis.ACTUAL_TRESHOLD_ELECTRICITY: 'ACTUAL_TRESHOLD_ELECTRICITY',
     obis.ACTUAL_SWITCH_POSITION: 'ACTUAL_SWITCH_POSITION',
-    obis.VALVE_POSITION_GAS: 'VALVE_POSITION_GAS'
+    obis.VALVE_POSITION_GAS: 'VALVE_POSITION_GAS',
+    obis.BELGIUM_HOURLY_GAS_METER_READING: 'BELGIUM_HOURLY_GAS_METER_READING',
+    obis.LUXEMBOURG_EQUIPMENT_IDENTIFIER: 'LUXEMBOURG_EQUIPMENT_IDENTIFIER',
+    obis.LUXEMBOURG_ELECTRICITY_USED_TARIFF_GLOBAL: 'LUXEMBOURG_ELECTRICITY_USED_TARIFF_GLOBAL',
+    obis.LUXEMBOURG_ELECTRICITY_DELIVERED_TARIFF_GLOBAL: 'LUXEMBOURG_ELECTRICITY_DELIVERED_TARIFF_GLOBAL'
 }
 
 REVERSE_EN = dict([(v, k) for k, v in EN.items()])
diff --git a/dsmr_parser/parsers.py b/dsmr_parser/parsers.py
index 8528ec8..e8cc704 100644
--- a/dsmr_parser/parsers.py
+++ b/dsmr_parser/parsers.py
@@ -225,6 +225,11 @@ class ProfileGenericParser(DSMRObjectParser):
         self.parsers_for_unidentified = parsers_for_unidentified
 
     def _is_line_wellformed(self, line, values):
+        
+        # allow empty parentheses (indicated by empty string)
+        if values and (len(values) == 1) and (values[0] == ''):
+            return True
+
         if values and (len(values) >= 2) and (values[0].isdigit()):
             buffer_length = int(values[0])
             return (buffer_length <= 10) and (len(values) == (buffer_length * 2 + 2))
@@ -232,6 +237,10 @@ class ProfileGenericParser(DSMRObjectParser):
             return False
 
     def _parse_values(self, values):
+        # in case of empty parentheses return
+        if values and (len(values) == 1) and (values[0] == None):
+            return super()._parse_values(values) #calling parent
+
         buffer_length = int(values[0])
         buffer_value_obis_ID = values[1]
         if (buffer_length > 0):