The Mexican Tax Administration (SAT) has issued Official Letter No. 700-04-00-00-00-2025-089, which was published in the Official Gazette on 21 November 2025. The letter contains an updated list of non-resident digital service providers that have registered under Mexico's registration requirements, which generally apply from 1 June 2020. The list includes 270 companies as of 31 October 2025, i…