Royal Decree 254/2025, published in the BOE (Official State Gazette) on April 2nd, modifies Royal Decree 1007/2023 and establishes the following new deadlines for taxpayer compliance: Corporate Taxpayers: The compliance deadline has been extended to January 1, 2026, a six-month delay from the original date of July 1, 2025. All Other Taxpayers: The compliance deadline is now July 1, 2026.   This extension also affects software producers and vendors covered by multi-year maintenance contracts in effect before the 9-month period. Their deadline has been extended from July 1, 2025, to January 1, 2026, to ensure their products meet Veri*factu requirements....