Do Bizum payments have to be declared on your tax return?

Last update: 02/04/2025

  • The Treasury requires certain Bizum payments to be declared if they exceed certain limits or involve economic activity.
  • Individuals do not always have to declare their income, but they do if they receive more than €10.000 or make sales or rentals.
  • Self-employed individuals and businesses are required to include all Bizum income in their tax returns.
  • The Tax Agency can cross-check bank details to detect undeclared income, with significant penalties.
declare Bizum to the Treasury-3

With the arrival of the income tax return campaign, many are asking themselves this question: Do you have to declare Bizum to the Treasury? More and more Spaniards are using this tool to move their money, whether personal or professional. And pay attention, because The Tax Agency has begun to monitor these transactions much more closely. 

Bizum has experienced exponential growth in recent years. In 2024 alone, more than 1.100 billion transactions were recorded, totaling approximately €44.000 billion. With such a large volume of transactions, it was only a matter of time before the tax authorities focused on this type of payment method.

The Tax Agency has introduced regulatory changes These directly affect how these revenues should be declared, especially if they are derived from economic activities or exceed certain limits. Below, we explain in which cases it is necessary to declare Bizum to the Treasury to avoid potential problems.

In what cases do you have to declare your Bizum income?

The key is to distinguish the type of operation being performed. Not all Bizums are subject to tax control., but there are several situations in which you must include them in your tax return. The tax authorities consider three types of scenarios:

  • Income over 10.000 euros per yearIf you receive more than this amount in your account through Bizum during the fiscal year, you are required to inform the Treasury. In fact, your own bank may be the one to alert the Tax Agency, as they are required by law to notify you monthly.
  • Payments related to economic activitiesIf you are self-employed or an entrepreneur and charge for your services using this tool, each transaction must be recorded as professional income, applying VAT and personal income tax accordingly. It doesn't matter how small the amounts are. If you're unsure how to proceed, consult the article on the requirements to use Bizum.
  • Receiving income from housing rentalsIf you rent a property and collect your monthly payment through Bizum, that amount is considered real estate capital gains and must be recorded in the corresponding section of your personal income tax.
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Sporadic and personal payments such as gifts, dinners or small loans between family and friends are exempt from declaration as long as they do not exceed €10.000 per year. In these cases, it is not necessary to declare Bizum to the Treasury, although if the Tax Agency detects multiple transactions of this type without justification, it could open an investigation.

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declare Bizum to the Treasury

How to correctly declare your income through Bizum

If you find yourself in any of the mandatory scenarios, you have no choice but to declare Bizum to the Treasury. It is necessary Reflect these movements in your income tax return just as you would with a bank transfer or a cash payment. There is no exclusive category for Bizumlarvae, nymphs, and adults, so are included as general income in the relevant sections according to the type of operation.

For example:

  • If it is a professional activity, they must enter as income from work or economic activity, with their corresponding withholdings.
  • If it is a rental, they go in the section real estate capital returns.
  • If it is other non-labor income, it can be considered capital gains, depending on the type of operation.
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It is also important keep clear records of all transactionsBanking apps allow you to download a detailed list of shipments and receipts with dates and amounts, which can make things much easier if you need to justify your transactions. In any case, it's always a good idea to consult a tax advisor to clarify any doubts about how to file your tax return correctly.

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Banking controls and penalties for not declaring Bizum

What happens if I forget or fail to declare Bizum to the Treasury? Banks report monthly to the Treasury on commercial transactions made through these platforms.It no longer matters whether the transaction is for 50 euros or 5.000; what matters is whether it is for economic or professional purposes.

That is why it is recommended that self-employed workers and entrepreneurs use separate accounts for your work and personal life. This way, you'll avoid confusion and can easily justify income or expenses related to your business.

Declaring Bizum to the Treasury when appropriate is something we shouldn't overlook. If undeclared income is detected, Penalties can range from 600 euros to 50% of the undeclared amountFurthermore, with the cross-referencing of data between banks and the Tax Agency, it's becoming increasingly difficult to go undetected.

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Treasury Control of Bizum

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Bizum as a payment method in the Treasury

In addition to the matter of declaring Bizum to the Treasury, one of the most striking new developments of this campaign is that the Tax Agency will begin accepting payments through this platform. This means that If your declaration is due, you can do so directly from your mobile phone via Bizum, in addition to traditional methods such as direct debit or credit card.

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The goal of this measure is to streamline the process and adapt to users' digital habits. According to the Tax Agency, the process is completely secure and integrated into the AEAT payment system.

The growing supervision of digital payment methods, such as Bizum, confirms The Treasury's eagerness to control all sources of income that could evade the tax radarCorrectly declaring your income is not only an obligation, but also a way to avoid surprises and keep your accounts in order.

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