31 Mar 2026
9/10
Tax & Revenue
Effective: 25/03/2026
The mandatory electronic invoicing system between business owners and professionals in Spain is established. All companies and self-employed individuals must issue and receive invoices in digital format.
All business owners and professionals carrying out B2B transactions in Spain
31 Mar 2026
9/10
Social Security
Effective: 01/01/2026
The contribution rules to Social Security for companies and workers in 2026 are established. It affects wages, bases and applicable rates throughout the year.
Companies, self-employed workers, employees and special groups with SS contributions
27 Mar 2026
9/10
Tax & Revenue
Effective: 25/03/2026
The official forms and deadlines for filing the Income Tax and Wealth Tax returns for the 2025 tax year are approved. It also regulates how to obtain and confirm the draft return by electronic means.
Taxpayers required to file IRPF and/or Wealth Tax returns in 2025
03 Apr 2026
7/10
Other Regulations
Effective: 12/03/2026
Andalusia passes a comprehensive law regulating authorisations, controls and environmental obligations for activities with an impact on the environment. It affects companies, industries and projects requiring environment...
Industrial companies, project developers, construction firms and activities with environmental impact in Andalusia
01 Apr 2026
7/10
Corporate & Business
Effective: 30/03/2026
The EU unifies corporate insolvency rules across all member states. It facilitates debt restructuring and bankruptcy proceedings for businesses and self-employed individuals.
Companies, self-employed individuals, creditors, insolvency administrators and financial institutions in the EU
27 Mar 2026
7/10
Tax & Revenue
Effective: 27/02/2026
An exceptional tax measure is approved in Spain. It may imply temporary changes in taxes or tax burdens for citizens and businesses.
Taxpayers, companies, self-employed individuals and citizens subject to the Spanish tax system
26 Mar 2026
7/10
Social Security
Effective: 01/01/2026
The Government sets the maximum pensions and updates all public pensions for 2026. It affects retirees, pensioners and social benefit recipients.
Pensioners, retirees, social benefit recipients and contributing companies
25 Mar 2026
7/10
European Regulations
Effective: 20/11/2024
A technical correction is published to the EU Cyber Resilience Regulation, which establishes mandatory cybersecurity requirements for products with digital components.
Manufacturers, importers and distributors of digital products or products with digital components in the EU
23 Mar 2026
7/10
European Regulations
Effective: 20/03/2026
The EU sets mandatory sustainability criteria for public authorities procuring clean technologies such as solar panels, batteries or heat pumps. It applies to public tenders across Europe.
Contracting public authorities and manufacturers of clean technologies in the EU
18 Mar 2026
7/10
European Regulations
Effective: 11/03/2026
The European Union establishes a climate target for 2040: reducing net emissions by 90% compared to 1990. This milestone serves as a bridge between the 2030 target and climate neutrality by 2050.
Businesses across all sectors, especially industry, construction, transport and agriculture