STF Minister Flávio Dino suspended, on a preliminary basis, the breach of bank and fiscal secrecy for a businesswoman close to Lulinha, son of President Lula. The ruling prompted the defense of Fábio Luis Lula da Silva to seek the same protection and drew criticism from the INSS CPI, which sees it as an affront to Parliament.
On March 4, 2026, STF Minister Flávio Dino issued a preliminary injunction suspending the breach of bank and fiscal secrecy for businesswoman Roberta Moreira Luchsinger, close to Fábio Luis Lula da Silva, known as Lulinha. The measure had been approved by the mixed INSS CPI in a block vote of 87 requirements, without individualized justification for each.
Dino argued that "it is not permissible to remove constitutional rights wholesale," noting that the CPI, while having judicial powers, must fulfill equivalent duties. The decision halts data sharing and was referred to the STF plenary for review, notifying the CPI, Coaf, Central Bank, and Federal Revenue. The commission may redo the analysis with concrete motivation and individual voting.
Hours after the injunction, Lulinha's defense filed for extension of the benefit, claiming illegality in the joint approval. Lawyer Guilherme Suguimori stated: "The grounds for granting are all applicable to Fábio Luís, who also had his secrecy breached by the 'en globo' vote, without concrete, specific, and individualized justification".
Lulinha will voluntarily collaborate with the STF, providing documents under judicial oversight, per a defense statement criticizing the pre-electoral political environment.
The CPI leadership reacted strongly. President Senator Carlos Viana (Podemos-MG) called the decision an "absurdity" and criticized monocratic rulings: "It's an absurdity what's being placed here. [...] we will respect it because an STF decision must be complied with". Relator Deputy Alfredo Gaspar (União Brasil-AL) labeled it a "terrible example for democracy," stating: "It is not possible for a legitimate vote recognized by President Davi Alcolumbre to be discredited by a decision from one STF minister".
A similar ruling occurred the previous week, when Minister Gilmar Mendes suspended a secrecy breach for a company linked to Dias Toffoli, approved by the Organized Crime CPI, related to Banco Master.
By late afternoon, at least five similar petitions had been filed, with interpretations that the entire block of requirements was suspended.
