return +{
    Fault => {
        detail => { 
            PolicyException => {
                messageId => $error_code,
                text      => $error_message,
                variables => [
                    $error_code,
                    $error_message,
                ],
            }
        },
        faultcode   => pack_type('SOAP-ENV', 'Server'),
        faultstring => 'Policy exception',
    },
};