Денис Осипов

AddEventHandler("sale", "OnSaleCheckPrepareData", "CheckProductPrint", 9999);
function CheckProductPrint($a, $type)
{
    foreach ($a['DELIVERY'] as $k=>$item) {
        if ($item['SUM'] == 0)
            unset($a['DELIVERY'][$k]);
    }
    return $a;
}