Italy published the Decree of 15 April 2026 from the Ministry of Economy and Finance in the Official Gazette on 27 April 2026, which updates the Decree of 31 March 2026. As previously reported, the Decree of 31 March 2026 approved the synthetic indexes of taxpayer reliability (Indici Sintetici di Affidabilità fiscale, ISA) for 85 economic (business) activity categories for the 2025 tax period, with certain categories broken down into further sub-categories. ISA is a system for assessing the…