Exploring the OECD's global minimum tax rules to combat tax avoidance by multinational enterprises, focusing on practical challenges and accounting implications. Delving into the complex criteria and calculations of the global minimum tax, addressing adjustments in financial statements and relief provided by the ISP. Discussing the impact on accounting practices, such as impairment testing and tax expense allocation within groups. Highlighting the importance of qualitative disclosure information for investors and available resources for staying up-to-date on tax regulations.