diff --git a/Models/raiseTaxRate.php b/Models/raiseTaxRate.php
new file mode 100644
index 0000000..2f08980
--- /dev/null
+++ b/Models/raiseTaxRate.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace D3\TaxRatesAdjustment\Model;
+
+class raiseTaxRate
+{
+    public function run()
+    {
+        dumpvar(__METHOD__);
+    }
+}
\ No newline at end of file
diff --git a/bin/raiseTaxRate b/bin/raiseTaxRate
new file mode 100644
index 0000000..a8d38da
--- /dev/null
+++ b/bin/raiseTaxRate
@@ -0,0 +1,15 @@
+#!/usr/bin/env php
+<?php
+
+$filePath = '../d3/taxratesadjustment/bootstrap.php';
+$currentDirectory = __DIR__ . '/';
+$filePath = $currentDirectory . $filePath;
+
+require($filePath);
+
+$change = new raiseTaxRate();
+try {
+    $change->run();
+} catch ( \Exception $e) {
+    echo $e->getMessage();
+}
\ No newline at end of file
diff --git a/bin/reduceTaxRate b/bin/reduceTaxRate
new file mode 100644
index 0000000..c8ff8c2
--- /dev/null
+++ b/bin/reduceTaxRate
@@ -0,0 +1,2 @@
+#!/usr/bin/env php
+<?php
diff --git a/bootstrap.php b/bootstrap.php
new file mode 100644
index 0000000..f666961
--- /dev/null
+++ b/bootstrap.php
@@ -0,0 +1,50 @@
+<?php 
+
+use OxidEsales\ComposerPlugin\Installer\Package\ShopPackageInstaller;
+
+$bootstrapFileName = getenv('ESHOP_BOOTSTRAP_PATH');
+if (!empty($bootstrapFileName)) {
+    $bootstrapFileName = realpath(trim(getenv('ESHOP_BOOTSTRAP_PATH')));
+} else {
+    $count = 0;
+    $bootstrapFileName = '../../'. ShopPackageInstaller::SHOP_SOURCE_DIRECTORY .'/bootstrap.php';
+    $currentDirectory = __DIR__ . '/';
+    while ($count < 5) {
+        $count++;
+        if (file_exists($currentDirectory . $bootstrapFileName)) {
+            $bootstrapFileName = $currentDirectory . $bootstrapFileName;
+            break;
+        }
+        $bootstrapFileName = '../' . $bootstrapFileName;
+    }
+}
+
+if (!(file_exists($bootstrapFileName) && !is_dir($bootstrapFileName))) {
+    $items = [
+        "Unable to find eShop bootstrap.php file.",
+        "You can override the path by using ESHOP_BOOTSTRAP_PATH environment variable.",
+        "\n"
+    ];
+
+    $message = implode(" ", $items);
+
+    die($message);
+}
+
+require_once($bootstrapFileName);
+
+define('OX_IS_ADMIN', true);
+
+if (false == function_exists('isAdmin')) {
+    /**
+     * @return bool
+     */
+    function isAdmin()
+    {
+        if (defined('OX_IS_ADMIN')) {
+            return OX_IS_ADMIN;
+        }
+
+        return true;
+    }
+}
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..a337a14
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,20 @@
+{
+    "name": "d3/taxratesadjustment",
+    "description": "adjusts the tax rates for the German economic stimulus package 2020 / 2021",
+    "type": "library",
+    "require": {
+        "oxid-esales/oxideshop-ce": "^6.0"
+    },
+    "license": "GPL-3.0",
+    "authors": [
+        {
+            "name": "D3 Data Development (Inh. Thomas Dartsch)",
+            "email": "info@shopmodule.com",
+            "homepage": "http://www.d3data.de"
+        }
+    ],
+    "bin": [
+        "bin/reduceTaxRate",
+        "bin/raiseTaxRate"
+    ]
+}