# Brazilian Federal Court of Accounts infrastructure oversight > Live situation record from CLSTR: https://clstr.news/situations/brazilian-federal-court-of-accounts-infrastructure-oversight > Updated: 2026-08-25T13:00:11.000Z. Sources: 6. Developments: 2. The Brazilian Federal Court of Accounts (TCU) is conducting oversight and investigations into various national infrastructure and energy sectors. Regarding rail infrastructure, the TCU has authorized the advancement of modeling for the Minas-Rio Corridor, marking the first railway authorization project under a new legal framework. While the court found no significant irregularities, it mandated technical adjustments concerning environmental licensing, interoperability, and grant values. Separately, the court is investigating potential overpricing in an existing construction contract for the North-South Railway. In the energy sector, the TCU is reviewing public policies related to the energy transition and biofuels. This assessment aims to identify coordination failures or overlaps among federal programs involving petroleum, natural gas, and mining, with a specific focus on how policy stability affects the agribusiness sector and investor predictability. ## Timeline ### 2026-08-25: TCU investigates North-South Railway contract and energy policies Brazil's TCU is investigating potential overpricing in the North-South Railway contract and reviewing federal public policies regarding biofuels and the energy transition. 3 sources. https://clstr.news/cluster/tcu-investigates-north-south-railway-contract-and-energy-policies ### 2026-08-19: TCU approves Minas-Rio Corridor railway modeling Brazil's TCU has approved the Minas-Rio Corridor modeling, the first railway project under the new legal framework, while mandating technical adjustments before the official tender. 3 sources. https://clstr.news/cluster/tcu-approves-minas-rio-corridor-railway-modeling --- Cite as: Brazilian Federal Court of Accounts infrastructure oversight. CLSTR, https://clstr.news/situations/brazilian-federal-court-of-accounts-infrastructure-oversight