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Rectifying self-assessments: Changes in Forms 303, 100 and 200
The Spanish Tax Agency has recently introduced important changes in the regulation of rectifying self-assessments, with special incidence in the VAT form 303, as well as in forms 100 and 200.

Form 145: What is it, how does it affect Personal Income Tax and when to file it?
Adjusts personal income tax withholdings considering aspects such as marital status, number of children or a disability, to ensure an accurate tax calculation and avoid over- or underpayments.

Labour obligations of companies in Spain
The most relevant labour obligations to be fulfilled by companies are highlighted: time recording, wage recording, equality plans and the implementation of a complaints channel.

New tax obligations for cryptocurrencies in Spain
Among these measures, three new information tax forms have been introduced: Forms 172, 173 and 721, specifically designed to monitor cryptocurrency transactions and balances.

New tax measures in Madrid as of 2025
These reforms, which affect inheritance and gift tax, income tax deductions and tax benefits for families and companies, aim to reduce the financial burden on citizens.

Changes in VAT forms 303, 322 and 390 for 2025
These modifications, applicable as of January 1, 2025, aim to adapt tax regulations to economic and legislative changes, making tax compliance easier.

Tax challenges and solutions in the digital economy
Digitalization has profoundly transformed the global economy, introducing business models that operate without the need for a physical presence in the countries where they offer their services.

The new immigration Regulation
This new legal framework aims not only to modernize immigration legislation but also to facilitate social integration, align with European regulations, and strengthen the rights of foreign nationals.

Monthly VAT Refund Regime (REDEME)
To register for REDEME, businesses must meet certain requirements, including the obligation to submit information on their issued and received invoices to the Tax Agency via the Immediate Supply of Information (SII).

End to the automatic nullity of dismissals due to working hours adaptation
With the reform, the burden of proof is reversed: now it will be the worker who must demonstrate that the dismissal occurred solely due to exercising their right to request this adaptation.