Tax Planning

EU’s Tax Simplification Omnibus: What Businesses Must Know by June 2026 Proposals

The EU’s June 2026 Omnibus Direct Taxation proposals aim to abolish withholding taxes within the EU, simplify ATAD interest rules, and extend CFC regimes—expected to deliver nearly €8 billion in savings.

By NomadicTax Research Team • 5-8 min read • September 15, 2026

## What Is the Omnibus Proposal? In a package published by the European Commission on **24 June 2026**, two legislative proposals were introduced: the **Direct Taxation Omnibus Directive** and the **Recast of the Directive on Administrative Cooperation (DAC)**. These are part of a broader EU ambition to simplify tax rules, cut red tape, and improve competitiveness. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/news/european-commission-proposes-landmark-tax-simplification-package-streamline-compliance-and-boost-2026-06-24_en?utm_source=openai)) ### Key Measures Proposed - **Abolition of withholding taxes** on cross-border payments of dividends, interest, and royalties between EU companies. This removes one major barrier to intra-EU capital flows and aims to promote investment. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/news/european-commission-proposes-landmark-tax-simplification-package-streamline-compliance-and-boost-2026-06-24_en?utm_source=openai)) - Extending the **Parent-Subsidiary Directive** protections to pension institutions, allowing them to benefit from withholding tax exemptions on dividends from other Member States. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/news/european-commission-proposes-landmark-tax-simplification-package-streamline-compliance-and-boost-2026-06-24_en?utm_source=openai)) - Introducing **full and immediate expensing** for R&D-related tangible assets across all Member States to stimulate innovation. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/news/european-commission-proposes-landmark-tax-simplification-package-streamline-compliance-and-boost-2026-06-24_en?utm_source=openai)) - Streamlining rules in the **Anti-Tax Avoidance Directive (ATAD)**: tightening interest limitation rules, raising the de minimis threshold, and reducing implementation options in order to lessen compliance burden. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/news/european-commission-proposes-landmark-tax-simplification-package-streamline-compliance-and-boost-2026-06-24_en?utm_source=openai)) - Under the **DAC Recast**, the proposal aims to reduce low-value reporting obligations, improve harmonisation (e.g. TIN validation), and integrate notification obligations across DAC4 & DAC9 to enhance consistency and reduce duplication. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/document/download/a654ad8e-606b-4ad5-a8ff-3309554224d7_en?filename=Executive+Summary+of+Impact+Assessment_DAC_Proposal+for+a+Council+Directive+-+Taxation%E2%80%99.pdf&utm_source=openai)) ### Timing & Status As of mid-2026, these are **proposals**—not yet enacted into law. ([taxation-customs.ec.europa.eu](https://taxation-customs.ec.europa.eu/news/european-commission-proposes-landmark-tax-simplification-package-streamline-compliance-and-boost-2026-06-24_en?utm_source=openai)) Member States must now evaluate, negotiate, and agree in the Council and Parliament context before the measures become binding. No definitive effective date has yet been confirmed. ## Practical Impacts for Businesses - If withholding taxes are abolished, **cross-border payments** between EU entities will become more efficient with fewer deductions at source. Businesses should review financing structures to leverage exemptions. - Pension funds should check eligibility under the expanded Parent-Subsidiary provisions. Netherlands, Luxembourg etc. which host many pension vehicles will need to confirm local implementations. - R&D-intensive companies stand to gain from upfront expensing: this may influence investment timing and project planning across Member States. - Under ATAD changes, companies that rely heavily on debt financing should monitor revised interest limitation thresholds and assess potential impacts on their tax deductions. - Simplification under DAC recast can decrease administrative costs, particularly for groups with cross-border reporting obligations; it also increases data quality expectations (TINs, common templates). ## What Businesses Should Do Now - Begin dialogues with tax advisors and national tax authorities to understand how proposed changes would apply locally. - For multinational groups: map out current withholding tax expense and cross-border payment flows to estimate savings from proposed abolitions. - R&D firms should review investment timing—if full expensing is accepted, bring forward capital investments to benefit sooner. - Ensure reporting systems and internal processes are ready for tighter TIN validation, unified reporting deadlines, and potential data harmonisation under DAC. - Monitor legislative developments closely—this package is large, and early entrance into force could follow alignment among Member States. ## Example Scenario Suppose a German-based company pays royalties to a French affiliate. **Currently**, the payment is subject to withholding tax under French rules, depending on domestic law interplaying with Parent-Subsidiary rules. **With the omnibus**, once implemented, that withholding tax could be removed. The cost of capital could go down, improving cash flow, particularly for companies relying on intellectual property or financial services. ### Key Risks to Watch - Some Member States may push back against loss of withholding tax revenue. Compensation mechanisms or other revenue sources may evolve. - Transitional rules may limit immediate effects; grandfathering could apply for existing structures. - Interpretation of ‘full expensing’ across countries could vary; implementing regulations will matter. ## Conclusion The Omnibus Direct Taxation and DAC Recast proposals collectively represent one of the most significant waves of EU tax simplification yet. For businesses operating across Member States, the opportunities are substantial—but so are the implementation risks. Early planning, alignment with advisors, and careful monitoring of legislative outcomes will be crucial to reaping the benefits.