In today’s complex legal and regulatory environment, the courts are frequently called upon to resolve disputes that involve specialised, technical, or professional knowledge. In such matters, the evidence of an expert witness often becomes a decisive factor. For members of the accounting profession, the possibility of serving as an expert witness is both a responsibility and an opportunity to uphold the integrity of the judicial process.
UNDERSTANDING THE EXPERT WITNESS
An expert witness is distinguished from an ordinary witness in that they are permitted to express opinions based on their specialised expertise. This expertise may stem from formal qualifications, professional experience, or a combination of both. In South Africa, experts are most commonly engaged in fields such as accounting, auditing, taxation, valuation, engineering, and medicine, although the scope extends widely.
The overriding purpose of the expert witness is not to advocate for the party that appointed them but to assist the court in understanding complex matters and arriving at a fair and just conclusion.
LEGAL FRAMEWORK
The use of expert evidence in South Africa is guided by the Uniform Rules of Court in civil proceedings, particularly Rule 36(9), which requires parties to disclose the intention to call an expert witness and to provide a summary of the expert’s qualifications and opinion. In criminal proceedings, the Criminal Procedure Act provides for the admission of expert evidence.
Importantly, case law has consistently underscored that an expert witness owes a duty of independence to the court. Their evidence must be relevant, objective, and confined to their area of expertise.
DUTIES AND RESPONSIBILITIES
An expert witness must −
- Remain impartial and independent – The duty is to the court, not the client.
- Provide objective, reasoned opinions – The testimony must be based on sound principles, methodologies, and evidence.
- Stay within their scope of expertise – Opinions outside of one’s competency risk being rejected.
- Be prepared for scrutiny – Cross-examination is a central part of testing the robustness and credibility of expert evidence.
For accountants, this means ensuring that any valuations, forensic analyses, or financial reconstructions presented are defensible, transparent, and grounded in recognised professional standards.
CHALLENGES IN PRACTICE
The South African courts have frequently raised concerns about the potential misuse of expert evidence. Common challenges include:
- Perceived bias when experts are seen as ‘hired guns’ advancing their client’s case rather than providing objective assistance.
- Conflicting expert opinions that leave the court to adjudicate not only the facts in dispute but also the methodologies applied.
- Escalating costs, which can limit the accessibility of expert testimony in smaller disputes.
These challenges highlight the importance of professional integrity and adherence to ethical standards by those acting as experts.
TRENDS AND DEVELOPMENTS
Recent practice has shown a shift toward more effective management of expert evidence. Courts increasingly require experts from opposing sides to prepare joint minutes, which outline points of agreement and disagreement. This assists the court in narrowing issues and improves efficiency.
Moreover, as litigation and regulation evolve, new areas of expertise are coming to the fore. Accountants and auditors are now often called to provide expert
evidence in areas such as −
- Forensic accounting and the investigation of fraud
- Business valuations in shareholder and divorce disputes
- Tax disputes requiring interpretation of complex legislation
- Financial reporting issues where accounting standards are contested
CONCLUSION
The role of an expert witness in South Africa is both critical and demanding. For accountants, this responsibility requires a careful balance of technical competence, ethical integrity, and professional judgement. Ultimately, the credibility of expert evidence rests on independence and objectivity. SAICA members who are called upon to serve as expert witnesses in court proceedings are required to comply with the International Code of Ethics for Professional Accountants. This entails upholding the principles of professional competency and due care, while maintaining objectivity and independence throughout the engagement. By adhering to these principles, members not only support the fair administration of justice but also reinforce public trust in the accounting profession.
Author
Nomandla Gumede CA(SA), Manager: Regulatory Reporting at SAICA
