diff --git a/src/paveit/datamodels/enumeration.py b/src/paveit/datamodels/enumeration.py
index c5d1c0b..9b3fbeb 100755
--- a/src/paveit/datamodels/enumeration.py
+++ b/src/paveit/datamodels/enumeration.py
@@ -46,5 +46,6 @@ class NormEnum(Enum):
     DINEN12592 = "DIN EN 12592"
     DINEN12593 = "DIN EN 12593"
     DINISO2592 = "DIN EN ISO 2592"
+    TLBitumen2019 = 'TL Bitumen-StB (08/2019) '
     #Gestein
     TLGestein2018 = "'TL Gestein-StB 04 (2018)'"
\ No newline at end of file
diff --git a/src/paveit/datamodels/norm_specification.py b/src/paveit/datamodels/norm_specification.py
index bf28d06..fa71de4 100644
--- a/src/paveit/datamodels/norm_specification.py
+++ b/src/paveit/datamodels/norm_specification.py
@@ -21,7 +21,9 @@ class DeliveryGrain(EnumerateBase):
     norm = StringField(required=True, default='TL Gestein-StB 04 (2018)')
     
 # Bitumen
-class BitumenParameterTLBitumen2013Strassenbaubitumen(EnumerateBase):
+class BitumenParameterStrassenbaubitumen(EnumerateBase):
+    
+    norm = EnumField(NormEnum, default=NormEnum.TLBitumen2019)
     
     penetration = FloatField(min_value=0, max_value=1000)
     softening_point = FloatField(min_value=0, max_value =500)
@@ -33,10 +35,12 @@ class BitumenParameterTLBitumen2013Strassenbaubitumen(EnumerateBase):
     hardening_resistance_masschange = FloatField(min_value=0, max_value=100)
     
 
-class BitumenParameterLimitsTLBitumen2013Strassenbaubitumen(EnumerateBase):
+class BitumenParameterLimitsStrassenbaubitumen(EnumerateBase):
     
     name = StringField()
     category = EnumField(BitumenCategoryEnum, required=True)
+    norm = EnumField(NormEnum, default=NormEnum.TLBitumen2019)
+    
     
     penetration_norm = EnumField(NormEnum, default=NormEnum.DINEN1426)
     penetration_unit = StringField('0.1 mm')