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The Tax Agency will begin offering the service of preparing and submitting income tax returns at its offices from June 1st to 30th, 2026, with appointments available from May 29th to June 29th, 2026. This complements the telephone assistance and the special assistance plan in small municipalities, which allows taxpayers to receive personalized service until the end of the campaign, with availability being made available gradually.

The Official State Gazette (BOE) of May 29, 2025, published Order HAC/529/2026, of May 7, which approves the tax return forms for Corporation Tax and Non-Resident Income Tax corresponding to permanent establishments and entities under the income attribution regime established abroad with a presence in Spanish territory, for tax periods beginning between January 1 and December 31, 2025, provides instructions regarding the declaration and payment procedure and establishes the general conditions and the procedure for electronic submission.

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

The Official State Gazette (BOE) of May 18th published Order HAC/484/2026, which approves the reduction of the net yield indices applicable in 2025 for agricultural and livestock activities affected by exceptional circumstances, which are located in certain geographical areas.

The Tax Agency will begin offering, from May 6 to June 30, 2026, the service of preparing and submitting Income Tax returns by telephone and the assistance plan in small municipalities, both with appointment requests from April 29 to June 29, 2026, which allows taxpayers to be served in a personalized manner until the end of the campaign.

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

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).

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.

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

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.