The claim
Explica: o "fim" do sigilo bancário no Brasil
Original review summary
The STF decision requires financial institutions to share information about certain electronic payments with state tax authorities when ICMS is involved. The review explains that this does not make the data public or end banking secrecy; access is for tax oversight.[S1]
Research date:
Sources and attribution
- [S1] SBT News original review
Original review · Retrieved October 16, 2026