3753 TAX DEDUCTIBILITY OF MINING REHABILITATION EXPENDITURES – SISHEN IRON ORE COMPANY (PTY) LTD v COMMISSIONER FOR THE SOUTH AFRICAN REVENUE SERVICE

Authors

  • Kiyasha Thambi University of Johannesburg

DOI:

https://doi.org/10.17159/2411-9717/3753/2026

Abstract

Environmental rehabilitation has increasingly become a central concern in the regulatory and fiscal landscape governing South African mining operations. A key issue within this domain is the extent to which mining entities may claim tax deductions for expenditures incurred in fulfilling their environmental rehabilitation obligations. The Supreme Court of Appeal's decision in Sishen Iron Ore Company (Pty) Ltd v Commissioner for the South African Revenue Service [2025] ZASCA 16 addresses pivotal questions regarding the tax treatment of such expenditures. The judgment offers authoritative clarification on the interpretation of the Income Tax Act 58 of 1962—specifically sections 11(a), 11(c), and 36(11)(e)—as they pertain to mining activities and the environmental responsibilities imposed under the Mineral and Petroleum Resources Development Act 28 of 2002. This commentary critically examines the multifaceted implications of the Sishen ruling, highlighting the intersection of statutory interpretation, operational realities, and environmental accountability within South Africa’s mining sector.

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Author Biography

  • Kiyasha Thambi, University of Johannesburg

    Kiyasha is a qualified attorney

    Her experience spans from the private to the public sector and include legal, corporate law, tax, mining tax, tax compliance, audit, governance, risk management, ethics and Integrity; and Q&RM.

    She has completed her Masters in tax Law and is currently busy with her Company Secretarial qualification (expected completion date 2019).

    Kiyasha is a member of University of Witwatersrand School of Law Exco as well as part of the Appointment Committee.

    Key Performance Areas

    Hofmeyr Herbstein & Giwhala: Qualified attorney.

    KPMG: Corporate Law, Corporate Tax, Corporate Tax Compliance, Ethics and Integrity (Governance and Forensics).

    National Treasury: As a Director Kiyasha oversaw the Indirect and Commodity Taxation. As well as extensive policy analysis, development, regulatory engagement and technical advisory experience in various taxes.

    EY: Manager Indirect Taxes, Audit, Q&RM and ASA Data Privacy Officer (EY)

    Deloitte & Touché: Extensive stakeholder engagement experience, as well as ad hoc lecturing on Governance, Regulatory and Compliance as a Manager Risk Advisory (Governance, Risk and Compliance). This includes Audit, Corporate Governance reviews, policy and procedures, including assessments, King III gap analysis, terms of reference etc.

    SARS LBC: Regulatory Compliance experience in Tax, and specialized in audits of Mining tax, as well as Mining Business Process and regulatory Universes (as Mining Tax Specialist Assurances ARS LBC). Attended the Audit Committee at Head Office and involved in contributions to SOPs as well as Tax Administration Act initiatives.

    University of Witwatersrand: Currently lecturing full time at University of Witwatersrand in Bachelor of Commerce Business Enterprise, Commercial Law, Business Entities (LLB), Tax Law (LLB) and Masters in Tax Law. Also taught Commercial Law as well as Environmental Law.

     

Published

2026-06-22

Issue

Section

Journal Comment