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April 2026

Security notice for the 2025 Income Tax Campaign

During the 2025 Income Tax Campaign, remember that cybercriminals may try to deceive you by impersonating the Tax Agency through fraudulent emails (phishing) or SMS (smishing).

Telephone support during the 2025 Income Tax Campaign: From what telephone numbers can the Tax Agency call you?

We remind you that the Tax Agency can only call you in relation to the Income Tax Campaign if you have requested an appointment through any of the channels available for this purpose. When the Tax Agency calls you, it will do so exclusively through this telephone number: 91 333 5 333

Urgent tax measures and other support measures in response to the damage caused to victims of the DANA storms and other emergency situations

Royal Decree-Law 10/2026, of April 28, has been published, approving urgent tax measures and other support measures in response to the damage caused to victims of the DANA storm and other emergency situations.

Declarations and self-assessments whose filing deadline ends in May 2026

Information provided in the taxpayer calendar regarding declarations and self-assessments whose filing deadline ends in May 2026.

MUTUALISTS: Information on the processing status of the application form

The form provided for in DF 16 of Law 7/2024 is conceived as a specific means for requesting refunds resulting from the application of DT 2 of the Personal Income Tax Law, and contains consent for the AEAT to initiate the appropriate procedure to make the corresponding refund effective.

Further Note on the effects, in the tax field, of Royal Decree-Law 16/2025, of December 23, and of Royal Decree-Law 2/2026, of February 3, in relation to the waiver of the SII and the deregistration from REDEME

The extraordinary deadline for renouncing the option for electronic record keeping through the AEAT Electronic Office (SII) and for voluntary deregistration in the monthly refund register (REDEME) was extended until February 16, 2026.

Start of the 2025 Income and Wealth Tax Campaign

Starting April 8thAll the help services are available to review your draft, modify it and, if necessary, submit your tax return. Tax Return 2025 Online through Renta WEB, Renta DIRECTA or through the APP.

Note on the effects, in the tax field, of Royal Decree-Law 16/2025, of December 23, and Royal Decree-Law 2/2026, of February 3

In accordance with the criteria established by the Directorate General of Taxes, the effects in the tax field produced by Royal Decree-Law 16/2025, of December 23, which extends certain measures to address situations of social vulnerability, and adopts urgent measures in tax and Social Security matters, and Royal Decree-Law 2/2026, of February 3, which adopts urgent measures to address situations of social vulnerability, in tax matters and relating to the resources of the territorial financing systems, both not validated, are the following: