I got this XML structure:
0.00
17.5% No
With mixed=true, in ObjectFactory there should be a function like JAXBElement, which generates the serializable element for you.
@XmlElementDecl(namespace = "", name = "shortnametype", scope = TaxDescriptionType.class)
public JAXBElement createTaxDescriptionTypeShortNameType(ShortNameType value) {
return new JAXBElement(new QName("", "shortnametype"), ShortNameType.class, TaxDescriptionType.class, value);
}