diff --git a/README.md b/README.md
index 49010e4..b9c271d 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Ein Einsatz in älteren Shopversionen ist vor dem Livebetrieb zwingend auf Verwe
 
 Kopieren Sie den Inhalt des `copy_this`-Ordners in Ihren Shopordner. Achten Sie darauf, auch die verborgene .htaccess mitzukopieren, dass die Scripte nicht über den Browser von außen erreichbar sind.
 
-Vergeben Sie den beiden Scripten im Ordner `_taxRates/bin` Ausführungsrechte.
+Vergeben Sie den Scripten im Ordner `_taxRates/bin` Ausführungsrechte.
 
 ## Ausführung
 
@@ -86,13 +86,13 @@ Nutzen Sie für die Preisanpassungen die folgenden Scripte als Cronjob zum passe
 um die Artikelpreise zu senken::
 
 ```
-[ Shoppfad ]/vendor/bin/reduceArticlePrices
+[ Shoppfad ]/_taxRates/bin/reduceArticlePrices
 ```
 
 um die Artikelpreise zurückzusetzen:
 
 ```
-[ Shoppfad ]/vendor/bin/raiseArtikelPrices
+[ Shoppfad ]/_taxRates/bin/raiseArtikelPrices
 ```
 
 Führen Sie die Preisanpassungsscripte nur ein einziges Mal aus, da die Preise sonst mehrfach gesenkt / erhöht werden.
diff --git a/copy_this/_taxRates/Models/articlePricesAbstract.php b/copy_this/_taxRates/Models/articlePricesAbstract.php
index a542d9a..e1dac98 100644
--- a/copy_this/_taxRates/Models/articlePricesAbstract.php
+++ b/copy_this/_taxRates/Models/articlePricesAbstract.php
@@ -15,10 +15,7 @@
 
 namespace D3\TaxRatesAdjustment\Models;
 
-use D3\ModCfg\Application\Model\d3database;
-use OxidEsales\Eshop\Application\Model\Shop;
-use OxidEsales\Eshop\Core\Config;
-use OxidEsales\Eshop\Core\DatabaseProvider;
+require_once('genericAbstract.php');
 
 abstract class articlePricesAbstract extends genericAbstract
 {
@@ -48,10 +45,6 @@ abstract class articlePricesAbstract extends genericAbstract
         'UPDATE oxarticles SET oxvarmaxprice = (oxvarmaxprice / :oldTaxPercent * :newTaxPercent) WHERE oxshopid = :shopid AND (oxvat IN(:oldTaxRate, :newTaxRate))'
     ];
 
-    /**
-     * @throws \OxidEsales\Eshop\Core\Exception\DatabaseConnectionException
-     * @throws \OxidEsales\Eshop\Core\Exception\DatabaseErrorException
-     */
     public function run()
     {
         if (false === $this->isInExecutableTimeRange()) {
@@ -62,27 +55,23 @@ abstract class articlePricesAbstract extends genericAbstract
         $this->changeArticlePrices();
     }
 
-    /**
-     * @throws \OxidEsales\Eshop\Core\Exception\DatabaseConnectionException
-     * @throws \OxidEsales\Eshop\Core\Exception\DatabaseErrorException
-     */
     public function changeArticlePrices()
     {
-        $shop = new Shop();
+        $shop = new \oxShop();
 
         // use shop list, when parameter -d is set
         $opts = getopt("s:");
 
         $where = isset($opts['s']) ?
             "oxid IN (".implode(', ', array_map(
-                                        function ($a) {return DatabaseProvider::getDb()->quote(trim($a));},
+                                        function ($a) {return \oxDb::getDb()->quote(trim($a));},
                                         explode(',', $opts['s']))
             ).")" :
             "1";
 
         $q = "SELECT oxid FROM " . $shop->getCoreTableName() . " WHERE ".$where ;
 
-        foreach ( DatabaseProvider::getDb( DatabaseProvider::FETCH_MODE_ASSOC )->getAll( $q ) as $record ) {
+        foreach ( \oxDb::getDb(\oxDb::FETCH_MODE_ASSOC)->getAll( $q ) as $record ) {
             $shopId = (int) $record["oxid"];
 
             $count = 0;
@@ -99,7 +88,7 @@ abstract class articlePricesAbstract extends genericAbstract
     {
         $count = 0;
 
-        $oCurrConfig = new Config();
+        $oCurrConfig = new \oxConfig();
 
         $oldTaxRate = (int) $oCurrConfig->getConfigParam('dDefaultVAT');
         $newTaxRate = $this->rateChanges[$oldTaxRate];
@@ -111,7 +100,7 @@ abstract class articlePricesAbstract extends genericAbstract
         }
 
         foreach ($this->baseQueriesDefaultTax as $query) {
-            $db = DatabaseProvider::getDb(DatabaseProvider::FETCH_MODE_ASSOC);
+            $db = \oxDb::getDb(\oxDb::FETCH_MODE_ASSOC);
 
             $queryParameters = [
                 'shopid'    => $shopId,
@@ -132,7 +121,7 @@ abstract class articlePricesAbstract extends genericAbstract
         $count = 0;
         foreach ($this->baseQueriesCustomTax as $query) {
             foreach ($this->rateChanges as $oldTaxRate => $newTaxRate) {
-                $db = DatabaseProvider::getDb(DatabaseProvider::FETCH_MODE_ASSOC);
+                $db = \oxDb::getDb(\oxDb::FETCH_MODE_ASSOC);
 
                 $queryParameters = [
                     'shopid'    => $shopId,
diff --git a/copy_this/_taxRates/Models/genericAbstract.php b/copy_this/_taxRates/Models/genericAbstract.php
index 68fa284..df98c69 100644
--- a/copy_this/_taxRates/Models/genericAbstract.php
+++ b/copy_this/_taxRates/Models/genericAbstract.php
@@ -15,9 +15,6 @@
 
 namespace D3\TaxRatesAdjustment\Models;
 
-use OxidEsales\Eshop\Core\Config;
-use OxidEsales\Eshop\Core\Registry;
-
 abstract class genericAbstract
 {
     public $rateChanges = [
@@ -48,18 +45,18 @@ abstract class genericAbstract
      */
     public function switchToShop($id)
     {
-        if (Registry::getConfig()->isMall()
-            && $id != Registry::getConfig()->getActiveShop()->getId()
+        if (oxRegistry::getConfig()->isMall()
+            && $id != oxRegistry::getConfig()->getActiveShop()->getId()
         ) {
-            /** @var Config $oNewConf */
-            $oNewConf = new Config();
+            /** @var oxConfig $oNewConf */
+            $oNewConf = new oxConfig();
             $oNewConf->setShopId($id);
             $oNewConf->init();
 
-            Registry::getConfig()->onShopChange();
-            Registry::getSession()->setVariable('actshop', $id);
-            Registry::getSession()->setVariable('currentadminshop', $id);
-            Registry::getConfig()->setShopId($id);
+            oxRegistry::getConfig()->onShopChange();
+            oxRegistry::getSession()->setVariable('actshop', $id);
+            oxRegistry::getSession()->setVariable('currentadminshop', $id);
+            oxRegistry::getConfig()->setShopId($id);
         }
     }
 }
\ No newline at end of file
diff --git a/copy_this/_taxRates/Models/raiseArticlePrices.php b/copy_this/_taxRates/Models/raiseArticlePrices.php
index d73f4a5..dd7c095 100644
--- a/copy_this/_taxRates/Models/raiseArticlePrices.php
+++ b/copy_this/_taxRates/Models/raiseArticlePrices.php
@@ -15,6 +15,9 @@
 
 namespace D3\TaxRatesAdjustment\Models;
 
+require_once('articlePricesAbstract.php');
+require_once('raiseTrait.php');
+
 class raiseArticlePrices extends articlePricesAbstract
 {
     use raiseTrait;
diff --git a/copy_this/_taxRates/Models/raiseTaxRate.php b/copy_this/_taxRates/Models/raiseTaxRate.php
index b4456d2..dbd031a 100644
--- a/copy_this/_taxRates/Models/raiseTaxRate.php
+++ b/copy_this/_taxRates/Models/raiseTaxRate.php
@@ -15,7 +15,8 @@
 
 namespace D3\TaxRatesAdjustment\Models;
 
-require 'taxRateAbstract.php';
+require_once 'taxRateAbstract.php';
+require_once 'raiseTrait.php';
 
 class raiseTaxRate extends taxRateAbstract
 {
diff --git a/copy_this/_taxRates/Models/reduceArticlePrices.php b/copy_this/_taxRates/Models/reduceArticlePrices.php
index 019b256..89bc3bb 100644
--- a/copy_this/_taxRates/Models/reduceArticlePrices.php
+++ b/copy_this/_taxRates/Models/reduceArticlePrices.php
@@ -15,6 +15,9 @@
 
 namespace D3\TaxRatesAdjustment\Models;
 
+require_once('articlePricesAbstract.php');
+require_once('reduceTrait.php');
+
 class reduceArticlePrices extends articlePricesAbstract
 {
     use reduceTrait;
diff --git a/copy_this/_taxRates/Models/reduceTaxRate.php b/copy_this/_taxRates/Models/reduceTaxRate.php
index 63b90a9..c81a0e2 100644
--- a/copy_this/_taxRates/Models/reduceTaxRate.php
+++ b/copy_this/_taxRates/Models/reduceTaxRate.php
@@ -15,7 +15,8 @@
 
 namespace D3\TaxRatesAdjustment\Models;
 
-require 'taxRateAbstract.php';
+require_once 'taxRateAbstract.php';
+require_once 'reduceTrait.php';
 
 class reduceTaxRate extends taxRateAbstract
 {
diff --git a/copy_this/_taxRates/Models/taxRateAbstract.php b/copy_this/_taxRates/Models/taxRateAbstract.php
index b6fe59f..04acbdb 100644
--- a/copy_this/_taxRates/Models/taxRateAbstract.php
+++ b/copy_this/_taxRates/Models/taxRateAbstract.php
@@ -21,12 +21,10 @@ use oxDb;
 use oxRegistry;
 use oxShop;
 
+require_once('genericAbstract.php');
+
 abstract class taxRateAbstract extends genericAbstract
 {
-    /**
-     * @throws \OxidEsales\Eshop\Core\Exception\DatabaseConnectionException
-     * @throws \OxidEsales\Eshop\Core\Exception\DatabaseErrorException
-     */
     public function run()
     {
         if (false === $this->isInExecutableTimeRange()) {
diff --git a/copy_this/_taxRates/bin/raiseArticlePrices b/copy_this/_taxRates/bin/raiseArticlePrices
index d7fc2d8..8f260db 100644
--- a/copy_this/_taxRates/bin/raiseArticlePrices
+++ b/copy_this/_taxRates/bin/raiseArticlePrices
@@ -6,6 +6,7 @@ $currentDirectory = __DIR__ . '/';
 $filePath = $currentDirectory . $filePath;
 
 require($filePath);
+require(__DIR__.'/../Models/raiseArticlePrices.php');
 
 $change = new \D3\TaxRatesAdjustment\Models\raiseArticlePrices();
 try {
diff --git a/copy_this/_taxRates/bin/reduceArticlePrices b/copy_this/_taxRates/bin/reduceArticlePrices
index ae4ad5d..7517a51 100644
--- a/copy_this/_taxRates/bin/reduceArticlePrices
+++ b/copy_this/_taxRates/bin/reduceArticlePrices
@@ -6,6 +6,7 @@ $currentDirectory = __DIR__ . '/';
 $filePath = $currentDirectory . $filePath;
 
 require($filePath);
+require(__DIR__.'/../Models/reduceArticlePrices.php');
 
 $change = new \D3\TaxRatesAdjustment\Models\reduceArticlePrices();
 try {