diff --git a/pyaccuwage/model.py b/pyaccuwage/model.py
index ed0884f..2cc4704 100644
--- a/pyaccuwage/model.py
+++ b/pyaccuwage/model.py
@@ -55,7 +55,7 @@ class Model(object):
     def output(self):
         result = ''.join([self.record_identifier] + 
                         [field.get_data() for field in self.get_sorted_fields()])
-        if len(result) != self.record_length:
+        if hasattr(self, 'record_length') and len(result) != self.record_length:
             raise ValidationError("Record result length not equal to %d bytes (%d)" % (self.record_length, len(result)))
         #result = ''.join([self.record_identifier] + [field.get_data() for field in self.get_sorted_fields()])
         #if len(result) != self.target_size:
diff --git a/pyaccuwage/record.py b/pyaccuwage/record.py
index 35b6524..9435d75 100644
--- a/pyaccuwage/record.py
+++ b/pyaccuwage/record.py
@@ -7,7 +7,10 @@ __all__ = RECORD_TYPES = ['SubmitterRecord', 'EmployerRecord',
     'TotalRecord', 'OptionalTotalRecord',
     'StateTotalRecord', 'FinalRecord', 'StateWageRecord']
 
-class SubmitterRecord(model.Model):
+class EFW2Record(model.Model):
+    record_length = 512
+
+class SubmitterRecord(EFW2Record):
     # year=2012
     record_identifier = 'RA'
     required = True
@@ -79,7 +82,7 @@ class SubmitterRecord(model.Model):
 
     
 
-class EmployerRecord(model.Model):
+class EmployerRecord(EFW2Record):
     # year=2012
     record_identifier = 'RE'
     required = True
@@ -138,7 +141,7 @@ class EmployerRecord(model.Model):
             raise ValidationError("%s not in one of %s" % (f.value, choices), field=f)
 
 
-class EmployeeWageRecord(model.Model):
+class EmployeeWageRecord(EFW2Record):
     # year=2012
     record_identifier = 'RW'
     required = True
@@ -198,7 +201,7 @@ class EmployeeWageRecord(model.Model):
        
 
 
-class OptionalEmployeeWageRecord(model.Model):
+class OptionalEmployeeWageRecord(EFW2Record):
     # year=2012
     record_identifier = 'RO'
     required = False
@@ -228,7 +231,7 @@ class OptionalEmployeeWageRecord(model.Model):
     blank4 =                                    BlankField(max_length=128)
 
 
-class StateWageRecord(model.Model):
+class StateWageRecord(EFW2Record):
     # year=2012
     record_identifier = 'RS'
     required = False
@@ -278,7 +281,7 @@ class StateWageRecord(model.Model):
             raise ValidationError("%s not one of %s" % (field.value,choices), field=f)
 
 
-class TotalRecord(model.Model):
+class TotalRecord(EFW2Record):
     #year=2012
     record_identifier = 'RT'
     required = True
@@ -313,7 +316,7 @@ class TotalRecord(model.Model):
     blank2 =                                    BlankField(max_length=113)
 
 
-class OptionalTotalRecord(model.Model):
+class OptionalTotalRecord(EFW2Record):
     #year=
     record_identifier = 'RU'
     required = False
@@ -342,14 +345,14 @@ class OptionalTotalRecord(model.Model):
     blank2 =                                    BlankField(max_length=23)
 
 
-class StateTotalRecord(model.Model):
+class StateTotalRecord(EFW2Record):
     #year=2012
     record_identifier = 'RV'
     required = False
     
     supplemental_data =             TextField(max_length=510)
 
-class FinalRecord(model.Model):
+class FinalRecord(EFW2Record):
     #year=2012
     record_identifier = 'RF'
     required = True