private void createNewUnifiedSocialTaxTable1(string identifier)
        {
            var instance = new UnifiedSocialTax {
                IDName = identifier
            };

            Data.Identifiers.Add(identifier);
            Data.unifiedSocialTaxes.Add(instance);
            Data.Instances.Add(instance);
        }
 private void changeForNewInstanceUnifiedSocialTaxTable1(string id, UnifiedSocialTax instance)
 {
     unifiedSocialTaxes.Remove(getUnifiedSocilTaxTable1ItemByID(id));
 }