It's likely that Brazil's audit court suspends the agreement.
A federal decision to authorize the extension of the railway concessions of mining company Vale in exchange for the construction of the Fico railway involves about US$1bn in investments, which none of the states involved are agreeing to give up.
The new regulation aims to reduce costs and increase efficiency.
BNamericas speaks to a former head of Brazilian development bank BNDES who says the infrastructure sector should be a top priority for whoever wins the country's presidential elections in October.
Although the current government has less than one month before the change of administration, authorities are working to structure five airport projects that would have to be executed by the next president.