The USTR's investigation will span digital trade and electronic payment services, preferential tariffs, anti-corruption interference, intellectual property protection and illegal deforestation.

"In light of the urgency of the matter, the Brazilian government reiterates its interest in receiving comments from the U.S. government on the proposal," the statement said, suggesting there were "areas of negotiation where we could further explore mutually agreed solutions.

The United States has launched an investigation into “unfair” trading practices by Brazil, escalating President Donald Trump’s spat with the world’s 10th-largest economy over issues including the criminal case against its former President Jair Bolsonaro.