|| $self->ut_foreign_keyn('classnum', 'pkg_class', 'classnum')
|| $self->ut_foreign_keyn('addon_classnum', 'pkg_class', 'classnum')
|| $self->ut_foreign_keyn('taxproductnum',
|| $self->ut_foreign_keyn('classnum', 'pkg_class', 'classnum')
|| $self->ut_foreign_keyn('addon_classnum', 'pkg_class', 'classnum')
|| $self->ut_foreign_keyn('taxproductnum',