Code to add to pmpro-customizations.php to adjust default country for Billing and for PMPro VAT

pmpro-defult-country-code.php

<?php   // do not copy this line.
/**
 * This recipe Default to country code for Germany AND add Default VAT country
 *  When using VAT TAX Add On https://www.paidmembershipspro.com/add-ons/vat-tax/
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

// Default Country
function my_set_pmpro_default_country( $default_country ) {
    // Set country code to "GB" for United Kingdom.
    $default_country = "DE";
    return $default_country;
}   
add_filter( 'pmpro_default_country', 'my_set_pmpro_default_country' );

// Default VAT Country
function init_set_default_vat_country_code() {	
	//default to German
	if(!isset($_SESSION['eucountry'])) {
    $_SESSION['eucountry'] = 'DE';
	}
if(!isset($_REQUEST['eucountry'])) {
    $_REQUEST['eucountry'] = $_SESSION['eucountry'];
	}
}
add_action('init', 'init_set_default_vat_country_code');