Yes it is. You can change the name of a traveller or participant until 1 November 2012.
However, please note that each name change will be subject to the following fees:
- From now until 14 May 2012 - AUD 50
- 15 May 2012 - 13 October 2012 - AUD 100
- 14 October 2012 - 31 October 2012 - AUD 200
- 1 November 2012 - 14 November 2012 - Name changes will not be possible.