The Inland Revenue Authority of Singapore (IRAS) has updated its Preparing a Tax Computation webpage with the publication of two Basic Corporate Income Tax Calculators (BTC) for taxpayers filing Corporate Income Tax Returns for the year of assessment (YA) 2025, including a BTC for companies filing Form C and a BTC for companies filing Form C-S/ Form C-S (Lite). Each BTC is in the form of an Ex…