28 Mar 2026
4/10
Tax & Revenue
Effective: 01/04/2026
The annual effective interest rate for the second quarter of 2026 is published, used to fiscally classify certain financial products. It affects the taxation of bonds, loans and other financial assets.
Investors, financial institutions and companies with fixed-income assets
27 Mar 2026
4/10
Tax & Revenue
Effective: 26/03/2026
The Government dismisses María Jesús Montero from her position as Minister of Finance by means of a Real Decreto. This change affects the leadership of the Ministry of Finance.
State Administration, Finance Ministry officials and taxpayers in general
27 Mar 2026
4/10
Tax & Revenue
Effective: 23/03/2026
The Tax Authority publishes the list of NIFs that have been reinstated after having been previously revoked. It affects individuals and companies that recover their active tax identification.
Individuals and legal entities whose NIFs had been revoked by the AEAT
26 Mar 2026
4/10
Tax & Revenue
Effective: 10/03/2026
A procedure is established for paying online the fee for reservation of the public radio domain. It affects companies and operators that use radio frequencies.
Telecommunications operators and companies holding radio spectrum usage licences
24 Mar 2026
4/10
Tax & Revenue
Errors are corrected in the European regulation that requires companies to pay taxes where they generate real profits. It affects corporate groups with operations in several EU countries.
Multinational corporate groups and companies with operations in several EU countries
24 Mar 2026
3/10
Tax & Revenue
Effective: 23/03/2026
The Banco de España publishes the official euro exchange rates against other currencies for March 23, 2026, based on data from the ECB.
Companies with foreign currency operations, importers, exporters and financial professionals
31 Mar 2026
2/10
Tax & Revenue
Effective: 24/03/2026
The Catastro signs a collaboration agreement with the Ayuntamiento de Forcarei (Pontevedra). This agreement allows the municipality to participate in the management and updating of cadastral data.
Property owners and companies with assets in the municipality of Forcarei (Pontevedra)
31 Mar 2026
2/10
Tax & Revenue
The Catastro signs a collaboration agreement with the Ayuntamiento de Salceda de Caselas (Pontevedra). This agreement allows the municipality to participate in the management and updating of cadastral data.
Property owners and businesses with assets in Salceda de Caselas (Pontevedra)
31 Mar 2026
2/10
Tax & Revenue
Effective: 23/03/2026
The Tesoro Público publishes the results of the public debt auctions held on March 19, 2026. The interest rates and volumes awarded in State bonds and obligations are detailed.
Public debt investors, financial institutions and capital markets
30 Mar 2026
2/10
Tax & Revenue
Effective: 23/03/2026
The Instituto de Estudios Fiscales and the Escuela de Organización Industrial agree to collaborate in developing joint training programs in taxation and management.
Professionals, civil servants and businesses interested in tax and organizational management training