Understanding the Revised IRD Circular on Quarterly Income Tax Instalments (SEC/2026/E/06)
The Inland Revenue Department (IRD) has recently issued a revised circular, SEC/2026/E/06 (Revised), dated August 06, 2026. This document outlines the official methodology for computing quarterly income tax instalments, applicable for the Year of Assessment 2026/2027 and subsequent years. For members of the Lanka Tax Club and taxpayers across the country, understanding these procedures is…