protected function _getForeignCountryUserVat(\OxidEsales\Eshop\Application\Model\User $oUser, \OxidEsales\Eshop\Application\Model\Country $oCountry)
    {
        if ($oCountry->isInEU()) {
            if ($oUser->oxuser__oxustid->value) {
                return 0;
            }

            return false;
        }

        return 0;
    }