diff --git a/includes/class-wc-gzd-product-variable.php b/includes/class-wc-gzd-product-variable.php
index d236cdda6..e5f77fb45 100644
--- a/includes/class-wc-gzd-product-variable.php
+++ b/includes/class-wc-gzd-product-variable.php
@@ -4,9 +4,9 @@
 	exit; // Exit if accessed directly
 
 /**
- * WooCommerce Germanized Abstract Product
+ * WooCommerce Germanized Product Variable
  *
- * The WC_GZD_Product Class is used to offer additional functionality for every product type.
+ * The WC_GZD_Product_Variable Class is used to offer additional functionality for every variable product.
  *
  * @class 		WC_GZD_Product
  * @version		1.0.0
@@ -15,39 +15,39 @@
 class WC_GZD_Product_Variable extends WC_GZD_Product {
 
 	/**
-	 * Get the min or max variation regular price.
+	 * Get the min or max variation unit regular price.
 	 * @param  string $min_or_max - min or max
 	 * @param  boolean  $display Whether the value is going to be displayed
 	 * @return string
 	 */
-	public function get_variation_regular_price( $min_or_max = 'min', $display = false ) {
-		$prices = $this->get_variation_prices( $display );
+	public function get_variation_unit_regular_price( $min_or_max = 'min', $display = false ) {
+		$prices = $this->get_variation_unit_prices( $display );
 		$price  = 'min' === $min_or_max ? current( $prices['regular_price'] ) : end( $prices['regular_price'] );
-		return apply_filters( 'woocommerce_get_variation_regular_price', $price, $this, $min_or_max, $display );
+		return apply_filters( 'woocommerce_gzd_get_variation_unit_regular_price', $price, $this, $min_or_max, $display );
 	}
 
 	/**
-	 * Get the min or max variation sale price.
+	 * Get the min or max variation unit sale price.
 	 * @param  string $min_or_max - min or max
 	 * @param  boolean  $display Whether the value is going to be displayed
 	 * @return string
 	 */
-	public function get_variation_sale_price( $min_or_max = 'min', $display = false ) {
-		$prices = $this->get_variation_prices( $display );
+	public function get_variation_unit_sale_price( $min_or_max = 'min', $display = false ) {
+		$prices = $this->get_variation_unit_prices( $display );
 		$price  = 'min' === $min_or_max ? current( $prices['sale_price'] ) : end( $prices['sale_price'] );
-		return apply_filters( 'woocommerce_get_variation_sale_price', $price, $this, $min_or_max, $display );
+		return apply_filters( 'woocommerce_gzd_get_variation_unit_sale_price', $price, $this, $min_or_max, $display );
 	}
 
 	/**
-	 * Get the min or max variation (active) price.
+	 * Get the min or max variation (active) unit price.
 	 * @param  string $min_or_max - min or max
 	 * @param  boolean  $display Whether the value is going to be displayed
 	 * @return string
 	 */
-	public function get_variation_price( $min_or_max = 'min', $display = false ) {
-		$prices = $this->get_variation_prices( $display );
+	public function get_variation_unit_price( $min_or_max = 'min', $display = false ) {
+		$prices = $this->get_variation_unit_prices( $display );
 		$price  = 'min' === $min_or_max ? current( $prices['price'] ) : end( $prices['price'] );
-		return apply_filters( 'woocommerce_get_variation_price', $price, $this, $min_or_max, $display );
+		return apply_filters( 'woocommerce_gzd_get_variation_unit_price', $price, $this, $min_or_max, $display );
 	}
 
 	/**
diff --git a/readme.txt b/readme.txt
index 9bdf9ace4..afb3a4287 100644
--- a/readme.txt
+++ b/readme.txt
@@ -176,6 +176,11 @@ Bugs sowie Hilfe bei der Arbeit an WooCommerce Germanized werden gerne über uns
 
 == Changelog ==
 
+= 1.4.5 = 
+* Feature - WC_GZD_Product_Variable object containing get_variation_unit_price with min max option
+* Fix - virtual vat calculation (vat exempt compatibility)
+* Fix - email object $type check
+
 = 1.4.4 =
 * Fix - in_array default option checkout
 
diff --git a/woocommerce-germanized.php b/woocommerce-germanized.php
index 0ed5c2391..7be100804 100644
--- a/woocommerce-germanized.php
+++ b/woocommerce-germanized.php
@@ -3,7 +3,7 @@
  * Plugin Name: WooCommerce Germanized
  * Plugin URI: https://www.vendidero.de/woocommerce-germanized
  * Description: Extends WooCommerce to become a legally compliant store for the german market.
- * Version: 1.4.4
+ * Version: 1.4.5
  * Author: Vendidero
  * Author URI: https://vendidero.de
  * Requires at least: 3.8
@@ -26,7 +26,7 @@ final class WooCommerce_Germanized {
 	 *
 	 * @var string
 	 */
-	public $version = '1.4.4';
+	public $version = '1.4.5';
 
 	/**
 	 * Single instance of WooCommerce Germanized Main Class