pc
nid 93620
Jul 01, 2026
rghosh@vixio.com
South Africa
Reserve Bank of South Africa
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1490 charsSouth Africa's Reserve Bank Publishes Revised Interest Rate Risk Requirements for Banks
On June 30, 2026, the Reserve Bank of South Africa (SARB) published Directive 3 of 2026, which sets out revised requirements related to interest rate risk in the banking book (IRRBB).
The directive updates prudential standards for banks operating in South Africa, establishing new frameworks for how deposit-taking institutions must identify, measure, monitor, and manage interest rate risk exposure within their banking books. Interest rate risk in the banking book refers to the potential impact on a bank's earnings and economic value when interest rates fluctuate, affecting the repricing of assets, liabilities, and off-balance-sheet items that are not held for trading purposes.
The revised requirements aim to strengthen the resilience of South African banks by ensuring they maintain adequate capital and liquidity buffers against adverse interest rate movements. The directive applies to all banks and deposit-taking institutions regulated by the SARB's Prudential Authority (PA). The updated standards reflect evolving international best practices and align with global regulatory frameworks for managing interest rate risk, ensuring South African banks remain competitive and stable in a dynamic financial environment.
The directive became effective on June 30, 2026. Banks must ensure compliance with the revised requirements as set out in Directive 3 of 2026. The full text of the directive and detailed requirements are available on the SARB's official publications portal.
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1890 charsSouth Africa's Reserve Bank Publishes Revised Interest Rate Risk Requirements for Banks
On June 30, 2026, the South African Reserve Bank's Prudential Authority (PA) issued Directive 3 of 2026 (D3/2026) directing all banks, controlling companies, and branches of foreign institutions to comply with revised requirements related to interest rate risk in the banking book (IRRBB), with effect from July 1, 2026.
The directive implements the Basel Committee on Banking Supervision (BCBS) adjustments to interest rate shocks published on July 16, 2024, incorporating the recalibrated shocks into South Africa's domestic regulatory framework. The PA noted that as a BCBS member, South Africa is committed to the full and consistent implementation of all relevant BCBS frameworks and standards.
Key points include:
The detailed IRRBB requirements previously contained in regulation 30 of the Regulations relating to Banks are being deleted following a recommendation to the Minister of Finance and National Treasury, with the revised requirements now incorporated into the Directive.
Banks, controlling companies, and branches of foreign institutions must comply with the revised IRRBB requirements, including the recalibrated interest rate shocks, set out in Annexure 1 to the Directive, with effect from July 1, 2026.
The PA confirmed that no further comments were received following the second consultation on the proposed Directive issued on April 1, 2026, and the Directive has been finalised without amendment.
The PA intends to subsequently convert the Directive into a Prudential Standard issued under section 105 of the Financial Sector Regulation Act, 2017 (Act No. 9 of 2017).
Institutions are required to provide a copy of the Directive to their external auditors and return a signed acknowledgement of receipt, executed by both the Chief Executive Officer and the external auditors, to the PA as soon as possible.
The directive comes into effect upon publication.