The hearing, if held, would involve representatives from Banco Central do Brasil; the Receita Federal, the Brazilian tax enforcement agency; Conselho de Controle de Atividades Fiancerias, the country's anti-fraud agency; and representatives of the local bitcoin industry.
CoinBR CEO Safiri Felix, the only company named in the official request, indicated that discussions about such a meeting have been ongoing since a report on the technology was released by the Brazilian Senate in December 2014. At the time, the report recommended bitcoin regulation was unnecessary.
Full story: http://www.coindesk.com/brazilian-congressman-calls-for-hearing-on-bitcoin-regulation/