Use shipments package filters.

includes/admin/settings/class-wc-gzd-settings-tab-shipments.php

@@ -36,11 +36,11 @@ public function register_main_breadcrumb( $main_breadcrumb ) {
 	}
 
 	public function get_description() {
-		return __( 'Create shipments, improve packing and manage available shipping providers.', 'woocommerce-germanized' );
+		return __( 'Create shipments, improve pick & pack and manage available shipping provider.', 'woocommerce-germanized' );
 	}
 
 	public function get_label() {
-		return __( 'Shipments', 'woocommerce-germanized' );
+		return _x( 'Shipments & Shipping Provider', 'shipments-settings-tab', 'woocommerce-germanized' );
 	}
 
 	public function get_name() {

includes/class-wc-gzd-checkout.php

@@ -162,6 +162,16 @@ public function __construct() {
 		 * Other services (e.g. virtual, services) are not taxable in northern ireland
 		 */
 		add_action( 'woocommerce_before_calculate_totals', array( $this, 'maybe_remove_northern_ireland_taxes' ), 15 );
+
+		/**
+		 * Tell the shipment integration whether prices include taxes or not.
+		 */
+		add_filter(
+			'woocommerce_gzd_shipments_additional_costs_include_tax',
+			function() {
+				return wc_gzd_additional_costs_include_tax();
+			}
+		);
 	}
 
 	public function maybe_remove_northern_ireland_taxes( $cart ) {

includes/class-wc-gzd-order-helper.php

@@ -43,6 +43,8 @@ public function __construct() {
 		 */
 		add_action( 'woocommerce_order_item_after_calculate_taxes', array( $this, 'recalculate_order_item_unit_price' ), 60, 1 );
 
+		add_filter( 'woocommerce_gzd_shipment_order_supports_email_transmission', array( $this, 'shipment_order_supports_email_transmission' ), 10, 2 );
+
 		// Add Title to billing address format
 		add_filter(
 			'woocommerce_order_formatted_billing_address',
@@ -157,6 +159,20 @@ function() {
 		}
 	}
 
+	/**
+	 * @param boolean $supports_email_transmission
+	 * @param \Vendidero\Germanized\Shipments\Order $order
+	 *
+	 * @return boolean
+	 */
+	public function shipment_order_supports_email_transmission( $supports_email_transmission, $order ) {
+		if ( wc_gzd_order_supports_parcel_delivery_reminder( $order->get_id() ) ) {
+			$supports_email_transmission = true;
+		}
+
+		return $supports_email_transmission;
+	}
+
 	/**
 	 * @param WC_Order_Item $item
 	 * @param WC_Order_Item|false $old_item