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
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
24 Mar 2026
7/10
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If a community's bylaws prohibit tourist use, the unique tourist rental registration number can be denied. Property owners cannot bypass this prohibition.
Tourist apartment owners, homeowners associations and vacation rental platforms
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
31 Mar 2026
6/10
Grants & Subsidies
Effective: 09/03/2026
The territorial distribution of credit is expanded to finance energy efficiency and circular economy projects in tourism businesses. The funds come from the Plan de Recuperación, Transformación y Resiliencia.
Tourism businesses (hotels, restaurants, agencies) throughout Spanish territory
31 Mar 2026
6/10
European Regulations
Effective: 27/03/2026
The European Commission withdraws the authorisation to sell food and feed containing genetically modified maize MON 87403. Products already on the market will have a period to be withdrawn.
Importers, manufacturers and distributors of food and feed containing GMO maize MON 87403
30 Mar 2026
6/10
Grants & Subsidies
Effective: 16/03/2026
The EU approves a regulation allowing Member States to grant public aid for rail, inland waterway and multimodal transport without prior notification to the European Commission.
Rail, inland waterway and multimodal transport companies; public granting authorities