Brazil STF to rule on ISS in PIS/Cofins base, R$35.4B fiscal impact

Brazil's Supreme Court resumes judgment on whether ISS (municipal services tax) should be excluded from the PIS/Cofins tax base, with a potential fiscal impact of R$35.4 billion for the Union. The ruling could set precedent affecting corporate tax liabilities and federal revenue, with uncertainty over the final outcome and retroactive effects.