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                 FROM $sCatT AS c, $sO2C AS o2c
                 WHERE c.oxid=o2c.oxcatnid AND
                       o2c.oxobjectid = ".$oDb->quote( $oArticle->getId() )." AND
                       c.oxvat IS NOT NULL
                 ORDER BY o2c.oxtime ";

        $fVat = $oDb->getOne($sSql);
        if ($fVat !== false && $fVat !== null) {
            return $fVat;
        }

        return false;
    }

    /**
     * get VAT for given article, can NOT be null
     *
     * @param oxArticle $oArticle given article
     *
     * @return double
     */
    public function getArticleVat(oxArticle $oArticle)
    {
        startProfile("_assignPriceInternal");
        // article has its own VAT ?

        if ( ( $dArticleVat = $oArticle->getCustomVAT() ) !== null ) {
            stopProfile("_assignPriceInternal");
            return $dArticleVat;
        }
        if ( ( $dArticleVat = $this->_getVatForArticleCategory($oArticle) ) !== false ) {
            stopProfile("_assignPriceInternal");
            return $dArticleVat;
        }

        stopProfile("_assignPriceInternal");
        return $this->getConfig()->getConfigParam( 'dDefaultVAT' );
    }

    /**
     * Currently returns vats percent that can be applied for basket
     * item ( executes oxVatSelector::getArticleVat()). Can be used to override
     * basket price calculation behaviour (oxarticle::getBasketPrice())
     *
     * @param object $oArticle article object
     * @param object $oBasket  oxbasket object
     *
     * @return double
     */
    public function getBasketItemVat(oxArticle $oArticle, $oBasket )
    {
        return $this->getArticleVat( $oArticle );
    }

    /**
     * get article user vat
     *
     * @param oxArticle $oArticle article object
     *
     * @return double | false
     */
    public function getArticleUserVat(oxArticle $oArticle)
    {
        if ( ( $oUser = $oArticle->getArticleUser() ) ) {
            return $this->getUserVat( $oUser );
        }
        return false;
    }


    /**
     * Returns country id which VAT should be applied to.
     * Depending on configuration option either user billing country or shipping country (if available) is returned.
     *
     * @param oxUser $oUser user object
     *
     * @return string
     */
    protected function _getVatCountry(oxUser $oUser = null)
    {
        $blUseShippingCountry = $this->getConfig()->getConfigParam("blShippingCountryVat");

        if ($blUseShippingCountry) {
            $aAddresses = $oUser->getUserAddresses($oUser->getId());
            $sSelectedAddress = $oUser->getSelectedAddressId();

            if (isset($aAddresses[$sSelectedAddress])) {
                return $aAddresses[$sSelectedAddress]->oxaddress__oxcountryid->value;
            }
        }

        return $oUser->oxuser__oxcountryid->value;
    }

}