The Rs 25 Billion Black Hole

Editorial

External Audits, Regulatory Blindness, and the Myth of Micro-management

The recent parliamentary session delivered a devastating blow to any lingering illusions regarding the institutional integrity of the Mauritian banking sector. In a formal response to Parliamentary Question B/716, the Prime Minister detailed a staggering Rs 25 billion black hole that has systematically eroded the balance sheets of four major local financial institutions over the decade spanning 2014 to 2024.

The arithmetic of this financial devastation is as precise as it is horrifying:

* Silver Bank Ltd: Rs 8.1 billion in non-performing loans (NPLs) out of a total loan portfolio of Rs 8.3 billion — meaning an unbelievable 97.5% of its lending was toxic.

* SBM Bank (Mauritius) Ltd: A massive, cumulative write-off of Rs 14.34 billion in bad loans.

* Development Bank of Mauritius Ltd: Rs 400 million classified as non-performing, heavily concentrated in five failing or liquidated companies.

* MauBank Holdings Ltd: A structural deficit of Rs 2.95 billion in negative equity driven by uninterrupted losses since 2015.

Faced with this systemic wreckage, a vital question must be asked: Where were the gatekeepers? A financial scandal of this magnitude does not occur overnight. It stems from a combination of two distinct institutional challenges: shortcomings in the oversight of external commercial audits and gaps in the central bank’s regulatory supervision.

When Rs 25 billion vanishes through siphoned funds, impaired credit, and toxic write-offs, it represents an indictment of the external auditors who repeatedly signed off on these balance sheets, and a failure of the Bank of Mauritius (BoM) Supervision Department.

The Illusion of the Clean Audit

Every commercial bank is required by law to undergo rigorous annual external audits by licenced independent accounting firms. The fundamental purpose of an external audit is to provide reasonable assurance that a financial statement reflects a true and fair view of the institution’s financial health. In the case of these four distressed banks, the external audit process clearly failed to flag systemic risks before they evolved into full-blown crises.

How does a bank like Silver Bank accumulate an NPL ratio of over 97% without triggering immediate alarm bells in successive audit reports? The answer lies in the structural compliance-driven nature of modern auditing, which frequently prioritizes formal box-ticking over deep forensic scepticism. External auditors routinely rely on management’s self-serving valuations of collateral and optimistic loan-recovery projections. When a bank rolls over bad debt — a practice colloquially known as “evergreening” — it masks the rot by pretending a non-performing asset is still viable.

For years, the public and depositors were treated to clean audit opinions that masked structural insolvency. Auditors failed to aggressively challenge the concentration risk of loans handed out to politically exposed persons or opaque shell corporate structures under the former regime. By treating asset valuation as a passive data-entry exercise rather than aggressively stress-testing the validity of the credit, external audit firms effectively provided a veneer of legitimacy to catastrophic corporate governance. They verified the math but ignored the underlying fraud.

The Bank of Mauritius’ Supervision

The Prime Minister’s breakdown of the BoM’s Supervision Department between 2014 and 2024 reveals an institutional structure characterized by frequent vacancies and a lack of leadership continuity.

This timeline illustrates that for significant stretches of a critical decade, the very department tasked with supervising 18 banks, 6 non-bank deposit-taking institutions, and dozens of foreign exchange dealers was operating without permanent, long-term leadership, ultimately weakening the consistency of regulatory oversight. It rotated through temporary foreign secondments and collective committee management by Assistant Directors. While these internal officers may have been technically competent, a department operating under temporary or acting arrangements rarely possesses the institutional weight or political independence required to confront powerful, politically connected commercial bank boards.

This leadership vacuum directly explains why risk-based onsite examinations and offsite supervisions failed to halt the bleeding. The central bank maintained the statutory authority to intervene, yet regulatory oversight during the previous regime was insufficient to halt the significant erosion of assets across state-linked and private financial institutions.

The “Micro-management” Fallacy

In the wake of these parliamentary revelations, the Governor of the Bank of Mauritius, Priscilla Muthoora Thakoor — who assumed office in late 2025 — defended the central bank by stating that while the BoM supervises commercial entities, the banks themselves bear ultimate responsibility for their lending decisions. “We do not do micro-management,” she insisted. While it is legally correct that a regulator should avoid involving itself in day-to-day credit decisions, this reality must not obscure the primary function of supervision. Commercial banks maintain the sole authority to assess credit risk through their internal committees, but the regulator’s core role is to ensure those committees operate under robust risk-management frameworks, maintain adequate capital buffers, and accurately classify non-performing assets rather than concealing them.

Under the Bank of Mauritius Act, the central bank is legally mandated to ensure the stability and soundness of the financial system. When a bank’s loan portfolio becomes 97% non-performing, or when a state bank writes off Rs 14 billion in toxic assets, detecting and halting such trends is not micro-management; it is the core function of prudential oversight. This represents a fundamental responsibility and statutory duty that the Bank of Mauritius’ previous leadership failed to discharge as required by law.

The Bank of Mauritius is explicitly empowered to conduct rigorous, risk-based onsite examinations, review internal governance and credit risk models, and assess internal controls. Furthermore, it holds the authority to issue binding directives, mandate immediate provisioning for bad debts, and remove non-compliant board members. Ultimately, the central bank’s role is to act as an independent, vigilant watchdog. When financial anomalies are detected or risk indicators escalate, the regulator has a statutory duty to intervene decisively.

Restoring Institutional Sovereignty

The Prime Minister’s announcement that the government will review the Bank of Mauritius Act and the Banking Act to align them with international best practices is a necessary first step. The decision to enlist professionals from the Reserve Bank of India to investigate past supervisory shortcomings acknowledges that the rot ran deep and requires external, objective diagnostics.

However, legislative amendments alone will not suffice. The true test of Mauritian financial sector reform will lie in rebuilding the absolute independence of the regulatory framework. The Supervision Department must be structurally insulated from both political interference and the commercial banking lobby. Concurrently, the financial regulator must hold external audit firms legally accountable for failing to report blatant asset inflation and fraudulent evergreening practices.

Mauritius cannot afford to treat the loss of Rs 25 billion as an unavoidable cost of doing business under a previous regime.

Mauritius Times ePaper Friday 22 May 2026