The Portuguese tax authority has issued Circular Letter No. 20288/2026 of 2 February 2026 on the municipal surcharge/surtax (Derrama Municipal) rates for corporate tax purposes for fiscal year 2025. This includes the standard surcharge rates for different listed municipalities as well as reduced rates and exemptions for taxpayers meeting certain requirements. The standard rates generally vary from 1.00% to 1.50%, although several municipalities have lower standard rates, including as low as …