Move EU VAT Number field to shipping tab for CheckoutWC (https://www.checkoutwc.com)

move-eu-vat-number-to-shipping-tab.php

<?php
// Do NOT include the opening php tag.
// Place in your theme's functions.php file
	
add_action( 'wp', 'move_eu_vat_number_field' );

function move_eu_vat_number_field() {
	remove_action( 'woocommerce_after_checkout_billing_form', array( 'WC_EU_VAT_Number', 'vat_number_field' ) );
	add_action( 'cfw_checkout_after_customer_info_address', array( 'WC_EU_VAT_Number', 'vat_number_field' ) );
}