    # File lib/active_merchant/billing/integrations/nochex/notification.rb, line 77
              def acknowledge
                 payload =  raw

                 response = ssl_post(Nochex.notification_confirmation_url, payload,
                   'Content-Length' => "#{payload.size}",
                   'User-Agent'     => "Active Merchant -- http://activemerchant.org",
                   'Content-Type'   => "application/x-www-form-urlencoded"
                 )

                 raise StandardError.new("Faulty Nochex result: #{response}") unless ["AUTHORISED", "DECLINED"].include?(response)

                 response == "AUTHORISED"
              end