If you are visiting Argentina after July 1, 2017, you need to know the following information!
Interested parties are hereby advised that Argentina has decided to suspend, as of 1 July of this year, the requirement for payment of a fee to enter the country for tourism or business purposes (as provided for under Decree No. 1654/08 and DNM Provision No. 2761/09) in relation to Australian nationals. Check this link in Spanish for full information.
For the full text of the travel advice, please refer to: smartraveller.gov.au