[2] In December 2016, he voted in favor of the Constitutional Amendment to limit public expenses (PEC 241).

[4] In October 2017, voted to maintain Senator Aécio Neves (PSDB-MG) in office, suspending the effects of the decision of the First Group of the Supreme Federal Court, in an investigation which he is accused of corruption and obstruction of justice after asking for R$ 2 million (US$ 600,000 in 2017) to businessman Joesley Batista.

The Police found evidences of passive corruption after the conclusion of open inquiries to investigate the participation of Benedito and Arthur Lira.

According to the report, Arthur and Benedito "benefited with the receiving of undue periodic amounts, from the payment of bribes by companies which had contracts with Petrobras, due to the control of the Progressive Party of the Directory of Supplies, office held by Paulo Roberto Costa, in exchange for votes in projects of interest of the federal government".

[9] In February 2016, Lira had his goods blocked by the Supreme Federal Court, in a decision ruled by Justice Teori Zavascki, in a total of R$1.6 million (US$ 460,000) The request for the blocking was made by the Prosecutor General Rodrigo Janot, who was responsible for the investigation against federal parliamentarians in the operation.