Code-Snippets-Functions/Execute a function on a child site/WooCommerce/disable-tax-calculation-for-customer-user-role.txt

add_action( 'template_redirect', 'set_customer_user_role_vat_exempt' );
function set_customer_user_role_vat_exempt(){
    global $current_user;
    if ( ! is_user_logged_in() ) 
        return; 

    // Set "customer" user role "Vat exempt" if is not set yet
    if ( in_array( 'customer', $current_user->roles ) && ! WC()->customer->is_vat_exempt() ) {
        WC()->customer->set_is_vat_exempt( true );
    }   
}