During his term, he voted to impeach the then-President Dilma Rousseff[2] and in favor of the Constitutional Amendment to limit public expenses (PEC 241) in 2016.

[2] In 2017, he was favorable to the Labour Reform (PL 6787/2016)[2] and voted against the two complaints of the Federal Public Prosecutor's Office (MPF) against President Michel Temer in August and in October.

At first, Rossi had the support of 11 parties for the 1 February voting: PSL, MDB, PSDB, DEM, Cidadania, PV, REDE, PT, PCdoB, PSB and PDT.

[9] In December 2016, the former President of the Financial Operations and Activities Council (Coaf), Cassio Chebabi, revealed the involvement of deputies of many parties, but denied the participation of Baleia Rossi.

[10] In 2018, the inquiry against Rossi was archived by Justice Gilmar Mendes of the Supreme Federal Court, after request of the Prosecutor General Raquel Dodge.