Tax Reform Transition Exposes Serious Uncertainties and Major Changes Affecting Companies Nationwide

Written by Caio Aviz

Published on 03/12/2025 at 11:49

Updated on 03/12/2025 at 11:55

Analista revisa documentos fiscais e avalia riscos da reforma tributária durante o período de transição até 2032.

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The Transition Initiated by Constitutional Amendment No. 132/2023 Creates a More Complex Legal Tax Environment, with New Rules, Parallel Systems, and Operational Requirements That Force Companies to Revise Routines, Interpret Distinct Models, and Prepare Internal Structures to Avoid Litigation and Additional Costs Until 2032

The Tax Reform Approved in 2023 Triggered One of the Largest Fiscal Restructuring Processes in the Country. The Simultaneous Coexistence of Old and New Rules, Along with the Creation of the IBS and CBS, Transforms Business Operations and Expands Zones of Uncertainty That Can Stimulate Administrative and Judicial Discussions Throughout the Transition Period.

Coexistence Among Different Systems and Doubts About Credits

The Change Introduced by Constitutional Amendment No. 132/2023 Creates a Central Challenge: the Coexistence of the Current System, Based on Cumulative Taxation and Fragmented Rules, with the Future Model, Which Will Utilize Unified National Legislation and Financial Credit. According to Experts Consulted by Business Sectors, This Overlap Tends to Generate Practical Doubts, Such as the Utilization of Accumulated Credits, Conversion of Existing Balances, Appropriate Timing for Appropriation, and Interpretation of Transition Rules. These Uncertainties May Trigger Interpretative Tensions and, Consequently, Lead to Litigation Even in the Early Years of Implementation.

Administrative Structure of the IBS and Possible Competence Conflicts

The Creation of the IBS Management Committee (Composed of Representatives from States, the Federal District, and Municipalities) Represents an Institutional Innovation Whose Practical Application Has Not Yet Been Tested. Before the Consolidation of Jurisprudence, Controversies Related to the Definition of the Competent Forum in Interstate Operations, Differences Regarding Supervision and Judgment, and the Possibility of a New Constitutional Amendment to Create a Specific National Judicial Instance Are Expected to Arise. Uncertainties Regarding the Appropriate Procedural Path Increase Legal Risk, Especially for Operations with High National Circulation.

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New Tax Documents, Technological Adjustments, and Operational Risks

The Transition Period Envisions the Adoption of New Electronic Tax Documents, System Integration, and Highlighting Tax Rates with Different Parameters from the Current Model. This Adaptation Will Require Significant Changes in Companies’ ERPs, Which May Generate Consistency Issues Between Information, Communication Failures with Government Platforms, Fines Resulting from Formal Mistakes, and Compromise Cash Flow with the Use of Split Payment. In Many Cases, Legal Conflicts May Arise Not from Interpretative Discrepancies but from the Challenge of Implementing a New and Complex System.

Sectors Most Exposed to the Selective Tax and Increased Burden

The Selective Tax May Generate Intense Debates Because Some Sectors Will Face High Taxation on Products Considered Harmful. Thus, Questions May Reach the Judiciary. Furthermore, the Boundary Between Legitimate Extrafiscality and Excessive Intervention Is Narrow.

Service Sectors Also Face an Increased Burden with the IBS and CBS. Therefore, Political Pressures for Regime Review Are Expected to Increase. Thus, Economic and Legal Debates May Intensify Throughout the Transition.

Tax Governance as a Prevention Strategy

In Light of This Scenario, Companies Need to Strengthen Tax Governance. Thus, Integration Among Legal, Tax, Accounting, and Technological Areas Becomes Crucial. Additionally, It Is Necessary to Map Impacts, Record Internal Criteria, and Prepare Consistent Opinions.

In Cases of Relevant Doubt, Formal Consultations to Tax Authorities Can Prevent Litigation. Therefore, While the Transition Until 2032 Is Fertile Ground for Controversies, Litigiousness Is Not Inevitable. Organized and Proactive Companies Tend to Face the Period with Greater Stability.

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Tax Reform Transition Exposes Serious Uncertainties and Major Changes Affecting Companies Nationwide

Coexistence Among Different Systems and Doubts About Credits

Administrative Structure of the IBS and Possible Competence Conflicts

Major Oil, Gas, and Energy Event Will Take Place in Brazil: Macaé Energy Will Gather Petrobras, Equinor, Prio, Among Other Suppliers and Energy Executives for Business, Networking, and Employment Opportunities

New Tax Documents, Technological Adjustments, and Operational Risks

Sectors Most Exposed to the Selective Tax and Increased Burden

Tax Governance as a Prevention Strategy

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Tax Reform Transition Exposes Serious Uncertainties and Major Changes Affecting Companies Nationwide

Coexistence Among Different Systems and Doubts About Credits

Administrative Structure of the IBS and Possible Competence Conflicts

Major Oil, Gas, and Energy Event Will Take Place in Brazil: Macaé Energy Will Gather Petrobras, Equinor, Prio, Among Other Suppliers and Energy Executives for Business, Networking, and Employment Opportunities

New Tax Documents, Technological Adjustments, and Operational Risks

Sectors Most Exposed to the Selective Tax and Increased Burden

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At over 80° south latitude on Mars, a formation called “Inca City” reveals a network of kilometer-scale ridges that forms an impressive geometric grid visible from space, created by deep fractures and sculpted by ice in one of the most extreme environments on the red planet.

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