06 Aug 2026
6/10
Tax & Revenue
Effective: 06/08/2026
The Supreme Court assigns to a specialized section all cases of claims for the autonomous portion of the hydrocarbon tax, declared illegal by the EU in 2024.
Taxpayers and companies that paid the autonomous portion of the hydrocarbon tax
28 Jul 2026
6/10
Tax & Revenue
The European Commission modifies the rules for applying VAT to businesses that sell products or digital services to consumers in other EU countries. It particularly affects online stores and digital platforms.
E-commerce companies, online stores and digital service providers selling to EU consumers
27 Jul 2026
6/10
Tax & Revenue
Access by the European Public Prosecutor's Office and OLAF to information on VAT between EU countries is expanded to detect and prosecute cross-border tax fraud.
Companies with intra-community operations, national tax authorities and EU anti-fraud bodies
29 Jun 2026
6/10
Tax & Revenue
Effective: 29/06/2026
The Tax Agency publishes the list of companies from which it has withdrawn the tax identification number due to non-compliance. Without a NIF, these companies cannot operate legally.
Commercial entities and organizations with NIF revoked by the AEAT throughout Spain
26 Jun 2026
6/10
Tax & Revenue
Effective: 16/09/2026
The AEAT sets the voluntary payment period for the 2026 Tax on Economic Activities between September 16 and November 20. Payment shall be made at collaborating banking entities with the received document.
Companies and self-employed persons subject to IAE with national or provincial quotas in 2026
12 Jun 2026
6/10
Tax & Revenue
Effective: 26/05/2026
Spain notifies the OECD that it has completed its internal procedures to apply the multilateral anti-abuse tax convention with Argentina and dozens of other countries. This strengthens measures against international tax ...
Multinational enterprises with operations in Spain and signatory countries of the OECD convention
26 May 2026
6/10
Tax & Revenue
An official correction to the EU directive requiring large multinational groups to pay at least 15% in taxes is published. It affects companies with revenues exceeding 750 million euros.
Multinational groups and large domestic groups with revenues exceeding 750M€
25 Apr 2026
6/10
Tax & Revenue
Effective: 01/04/2026
Navarra updates its tax regulations by adapting VAT and the electricity production tax. The changes aim to harmonize regional tax legislation with state regulations.
Electricity production companies and VAT taxpayers in Navarra
24 Apr 2026
6/10
Tax & Revenue
The AEAT corrects errors in its tax inspection and customs control plan for 2026. It affects the guidelines that direct tax control actions this year.
Taxpayers, companies, self-employed workers and customs operators subject to tax control in Spain
23 Apr 2026
6/10
Tax & Revenue
Effective: 30/03/2026
The State and Navarra agree to coordinate the application of the 15% global minimum tax for large multinational and domestic groups. This tax ensures that these companies pay at least that percentage in any territory.
Multinational and domestic groups with income exceeding 750 million euros