The vic.gov.au website is only classified to collect data up to the level unclassified. This means no 'sensitive personal information' can be captured in any forms.
Sensitive information is:
health (including predictive genetic information)
racial or ethnic origin
political opinions
membership of a political association, professional or trade association or trade union
religious beliefs or affiliations
philosophical beliefs
sexual orientation or practices
criminal record
biometric information that is to be used for certain purposes
biometric templates.
For further details read the Australian Privacy Principles.