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ARTICLE · 18 DECEMBER 2025

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Mandatory COMESA Merger Control Regime And Other Changes

With the new COMESA Competition and Consumer Protection Regulation, 2025 the COMESA Council of Ministers on 4 December 2025, implemented the long awaited amendments to the COMESA...

South AfricaAntitrust/Competition Law

With the new COMESA Competition and Consumer Protection Regulation, 2025 the COMESA Council of Ministers on 4 December 2025, implemented the long awaited amendments to the COMESA antitrust and merger control regime.

With the new COMESA Competition and Consumer Protection Regulation, 2025 the COMESA Council of Ministers on 4 December 2025, implemented the long awaited amendments to the COMESA antitrust and merger control regime. The new Regulations are in effect as of 5 December 2025. Most notably, they introduce changes to the COMESA merger control regime such as mandatory, suspensory notification obligations, new notification thresholds, timelines, and an explicit obligation to notify greenfield joint ventures. With respect to behavioural antitrust, the new Regulations introduced additional per se prohibitions on vertical restraints, and new definitions of dominance, and economic dependence. In addition, the new Regulations elaborated on the COMESA Competition and

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