Under these latest allegations, Temer is said to have received $1 million reals ($296,000) from Engevix's boss Jose Antunes Sobrinho, Brazilian magazine Epoca reported.

According to the report, the allegations were made by Antunes in an effort to secure a plea bargain with federal authorities, as he is currently under house arrest over corruption charges.

In his proposed plea bargain, Antunes reportedly alleges that Temer received bribes from the owner of Sao Paulo-based architecture firm Argeplan, Joao Batista Lima, in exchange for contracts.

Antunes