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
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
04 Apr 2026
7/10
Tax & Revenue
A constitutional challenge has been filed against the part of RDL 15/2025 that modifies the invoicing software requirements for businesses. The Constitutional Court will decide whether that provision is valid.
Business owners, self-employed individuals and invoicing software providers subject to Verifactu obligations
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
30 Mar 2026
6/10
Tax & Revenue
Effective: 24/03/2026
The Tax Agency cancels NIFs of taxpayers who have failed to meet their tax obligations. These taxpayers are barred from operating normally before the Administration.
Taxpayers and companies whose NIF is revoked due to tax non-compliance
27 Mar 2026
6/10
Tax & Revenue
Effective: 26/03/2026
The Government appoints Arcadi España García as Minister of Finance. The change is effective from 26 March 2026.
All taxpayers, companies, self-employed individuals and citizens subject to tax obligations in Spain
23 Mar 2026
6/10
Tax & Revenue
Effective: 06/03/2026
The tax on stays in tourist accommodations in Catalonia is updated and a new fee is created to cover the management costs of the municipal surcharge.
Tourist establishments in Catalonia: hotels, apartments, campings and rural accommodations
27 Mar 2026
5/10
Tax & Revenue
Effective: 10/03/2026
An online procedure is established for telecommunications companies to submit and pay their administrative fees electronically. It simplifies management and eliminates paper-based processes.
Operators and companies in the telecommunications sector in Spain
25 Mar 2026
5/10
Tax & Revenue
Effective: 27/02/2026
The State and the Generalitat Valenciana reach an agreement to resolve discrepancies over their 2025 fiscal and administrative measures law. A constitutional conflict is thus avoided through bilateral negotiation.
Businesses, self-employed workers and citizens subject to the fiscal and administrative regulations of the Comunitat Valenciana
30 Mar 2026
4/10
Tax & Revenue
Effective: 24/03/2026
The Tax Authority publishes the list of NIF that have been reinstated after having been previously revoked. It affects individuals and entities that recover their capacity to operate for tax purposes.
Individuals and legal entities whose NIF have been reinstated by the AEAT