ANATEL (Brazilian National Agency of Telecommunications) authorized foreign radio amateurs during the 2016 Olympics Games, irrespective of reciprocity treaties, operating stations in Brazil in the period from August 1 to September 30, without the need for application submission to ANATEL and without incidence taxes. The control of foreign radio amateurs will be in charge of the Liga Amadora Brasileira de Radio Emissão - LABRE (League of Brazilian Amateur Radio Emission). source: ANATEL site