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BOE-A-2026-8932 ·23 April 2026 ·Resolution Low impact
Tax

Multinational and large-scale groups: 6 months to resolve discrepancies in the complementary tax

The State-Navarra Cooperation Council initiates negotiations to resolve discrepancies regarding the fifth final clause of Foral Law 18/2025, which establishes a complementary tax for multinational and large-scale groups. A six-month period is set to resolve differences, as provided in the fifth final clause of the foral law (art. 5.1). The aim is to ensure a minimum global tax level, directly impacting the fiscal structures of these groups.

In 2 key points

  1. Negotiations are initiated to resolve discrepancies in the supplementary tax (art. 5.1)
  2. A 6-month period to resolve differences in the application of the tax (art. 5.1)

How it affects those involved

Multinational and large-scale groups must take part in negotiations to adjust the supplementary tax, which could lead to changes in their tax returns. Regional and state administrations may revise their tax policies based on the outcomes. Tax advisors should monitor the progress of negotiations and anticipate possible changes to the taxable base. Taxpayers might experience modifications to their tax burdens if adjustments to the minimum tax level are approved.

Lifecycle

2026-04-23PublishedPublished in the BOE
2026-04-23Into forceComes into force (resolución de 30 de marzo de 2026)
Official text Based on BOE data (boe.es). Information, not advice.

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This analysis is informational only and does not constitute legal advice or create a client-adviser relationship. BM Consulting.
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