This edition of Commercial’s Understanding of Exempted Income, updated in accordance with the Finance Act, 2026, is a focused and authoritative reference work explaining incomes that do not form part of total income under the Income Tax Act, 2025. Based specifically on the provisions of Chapter III, covering Sections 11 and 12 along with Schedule II to VIII, the book serves as a practical legal guide tax professionals, accountants, legal practitioners, and compliance officers seeking clarity on exempted income provisions under current tax law. It comprehensively addresses the treatment of exempted incomes and the legislative framework governing exclusions from taxable total income. The book includes detailed coverage of: • Scope and meaning of exempted income under the Income Tax Act, 2025 • Incomes not forming part of total income under Chapter III • Exemptions relating to charitable and religious trusts under Sections 11 and 12 • Statutory conditions for claiming exemptions • Applicability of Schedule II to VIII provisions • Treatment of specified receipts, accumulations, and applications of income • Compliance requirements for institutions claiming exemptions • Interpretation of current amendments introduced by the Finance Act, 2026 • Practical relevance of exempted income provisions in tax planning and assessments • Updated legal position for the Tax Year relevant to 2026. This edition is particularly suitable for: • Tax practitioners requiring an updated reference on exempt income law • Chartered accountants and consultants handling tax planning matters  • Trust administrators and compliance professionals managing exempt entities • Litigators and advisors dealing with exemption-related disputes Whether used in professional practice or day-to-day taxation work, this updated edition delivers a clear and reliable understanding of exempted income provisions as applicable under the Income Tax Act, 2025.