super.startElement(new SabreUDFElement(SabreUDFElement.UDFElementType.DescriptorTag));
super.data(new WordDataReference(4)); // tag identifier
super.data(new WordDataReference(tagLocation)); // tag location
super.data(new WordDataReference(tagSerialNumber)); // tag serial number
super.data(new WordDataReference(descriptorVersion)); // descriptor version
super.data(new ByteArrayDataReference(myImplementationUseVolumeDescriptor.getBytesWithoutDescriptorTag()));
super.endElement();
}