System availability

We have scheduled system maintenance windows that we use to maintain and upgrade our online services and business IT systems.

These maintenance windows may impact on our online services.

Note that during scheduled or unscheduled maintenance, we cannot guarantee the integrity of any information submitted or retrieved during these scheduled maintenance windows, and customers accessing our online services during this time do so at their own risk.

Customer Alert: eServices history functionality - update

Emergency system maintenance

eServices will be unavailable from  7:30pm until 8:30pm (AEDT) Wednesday 25 November 2015  due to maintenance work to resolve the current eServices History functionality issue.

We will enable the Alternate Lodgement Service (ALS) for eServices during this outage. The ALS is a simplified version of eServices that allows electronic submissions during outages and downtime. You will be automatically redirected to the ALS if you attempt to access eServices during the outage period. You will need to agree to new terms and conditions to use the ALS and you will not be required to sign in.

We sincerely apologise for any inconvenience. If you require further information please email

Scheduled maintenance windows

Each week, the scheduled maintenance windows are:

  • Wednesday 7.30 pm to 10.30 pm (AEST)
  • Saturday 12.00 noon to 9.00 pm (AEST)

Subscribe to notices about system availability 

Subscribe to the system availability notices to find out when our systems need to be maintained outside planned outages.

When this occurs, we aim give you 24 hours' notice, where possible.

Last Updated: 25/11/2015

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