This advanced, highly technical course is dedicated entirely to the practical implementation of the OECD/G20 **BEPS 2.0** project, specifically **Pillar One (Amount A)** and **Pillar Two (GloBE Rules)**. It moves beyond policy theory to focus on the complex computational, data, and compliance challenges facing multinational enterprises (MNEs) and tax administrations worldwide. Participants will work through detailed examples of nexus and profit allocation under Pillar One and the intricate Effective Tax Rate (ETR) calculations and data requirements under Pillar Two. The course is essential for experts who must operationalize these revolutionary changes in the global tax architecture.
BEPS 2.0: Pillar One and Pillar Two Implementation
Tax and Revenue Management
October 25, 2025
Introduction
Objectives
Upon completion of this course, participants will be able to:
- Master the technical scope and jurisdictional application rules of both Pillar One (Amount A) and Pillar Two (GloBE Rules).
- Perform the complex calculation of the ETR for MNEs under the GloBE rules, including jurisdictional blending.
- Apply the carve-outs and exceptions (e.g., substance-based income exclusion) to the Pillar Two calculation.
- Understand the mechanics of the Income Inclusion Rule (IIR) and the Undertaxed Payments Rule (UTPR) implementation.
- Analyze the data requirements and IT system changes necessary for compliance with the GloBE Information Return (GIR).
- Work through a case study demonstrating the new profit allocation under Pillar One Amount A.
- Evaluate the impact of the new rules on tax structuring, transfer pricing, and M&A decisions.
- Advise management on the compliance risks and strategic options in the BEPS 2.0 implementation phase.
Target Audience
- Senior International Tax Managers and Directors (MNEs)
- Chief Financial Officers (CFOs) and Group Tax Heads
- International Tax Consultants and Specialists
- Tax Lawyers and Policy Advisors working on BEPS 2.0 Legislation
- Tax Auditors and Compliance Officers for Large Taxpayer Offices
- IT and Data Professionals for Tax Technology Implementation
Methodology
- Extensive quantitative case studies on calculating Pillar Two ETR and Top-up Tax for a simulated MNE (Individual & Group Work).
- Hands-on exercise: mapping required Pillar Two data points to financial statements.
- Scenario analysis of corporate restructuring decisions under the influence of Pillar Two.
- Discussions on the practical challenges of data collection for the GloBE Information Return (GIR).
- Presentation: Advising a CFO on the expected tax liability increase under BEPS 2.0.
Personal Impact
- Mastery of the highly complex technical and computational aspects of BEPS 2.0.
- Capacity to lead the internal operational and IT response to Pillar Two implementation.
- Enhanced strategic value to the organization through risk and tax liability forecasting.
- Expertise in identifying and applying key safe harbors and transitional rules.
- Recognition as a leading expert in the future of international tax compliance.
Organizational Impact
- Effective compliance with the imminent global minimum tax and Pillar One rules.
- Minimized penalty risk through timely and accurate filing of the GloBE Information Return.
- Strategic optimization of the MNE structure to mitigate unnecessary Top-up Tax liability.
- Reduced exposure to double taxation through understanding the new dispute resolution mechanisms.
- Proactive management of IT system changes necessary for mandated reporting.
Course Outline
Unit 1: Technical Framework of Pillar Two (GloBE)
Scope and Core Mechanics- Defining the MNE Group and the €750 million revenue threshold
- The cascading mechanism: IIR as the primary rule, UTPR as the backstop
- The Qualified Domestic Minimum Top-up Tax (QDMTT) and its impact
- Transitional rules and safe harbors (e.g., transitional CbCR safe harbor)
- Defining GloBE Income/Loss (starting from financial accounting standards)
- Defining Covered Taxes (adjustments to financial accounting tax expense)
- Calculating the Adjusted Covered Taxes and GloBE ETR (jurisdiction by jurisdiction)
Unit 2: Pillar Two Carve-Outs and Implementation
Substance-Based Income Exclusion (SBIE)- The purpose and application of the routine return on tangible assets and payroll costs
- Calculating and utilizing the SBIE to reduce the Top-up Tax amount
- Transitional phase-in rules for the SBIE
- The GloBE Information Return (GIR): required data points and format
- Data gap analysis and integrating financial reporting systems with tax compliance
- The role of the OECD Implementation Framework and administrative guidance
Unit 3: Technical Framework of Pillar One (Amount A)
Scope and Nexus- Defining MNEs subject to Amount A (higher revenue and profitability thresholds)
- The new nexus rule based on sales and domestic revenue thresholds
- Exclusions: extractive industries and regulated financial services
- Defining the *profit before tax* and the *deemed routine profit*
- The calculation of the *residual profit* for reallocation (Amount A)
- Apportionment rules: allocating Amount A to market jurisdictions based on revenue
Unit 4: Operationalizing the New Rules
IT and Data Requirements- Impact analysis of BEPS 2.0 on ERP and tax provision systems
- Developing data models to capture the necessary granular financial and tax data
- Utilizing Tax Technology (TaxTech) solutions for automation and reporting
- Reviewing existing group structures for Pillar Two optimization and exposure
- Interaction of Pillar One with existing Transfer Pricing methods and APAs
- Tax treaty implications and the Multilateral Convention (MLC) for Pillar One
Unit 5: Controversy and Transition
Controversy and Dispute Resolution- The new mandatory and binding dispute resolution mechanism under Pillar One
- Potential for controversies and disputes under the Pillar Two rules
- Managing the compliance burden during the multi-year transitional period
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