RECIPROCITY FEE REVOKED FOR U.S. CITIZENS, CANADIAN and AUSTRALIAN citizens BY PRESIDENTIAL DECREE
Effective August 23rd, 2016, American citizens (Waived), Australian citizens (Waived). Canadian citizens (Waived) entering Argentina via Ezeiza and Jorge Newbery Airports will no longer be required to pay a reciprocity fee to enter and exit Argentina.
US citizens are exempt from paying the reciprocity fee by Presidential Decree No. 959/2016, published on August 23, 2016.
Australian Citizens are also exempt from paying the reciprocity fee.
Canadian citizens are also now exempt from having to paying the reciprocity fee.
Additional information can be found here