Aitax Learning

Guides & Tax Information Center

Guides for investors in Spain: Modelo 720, Modelo 721 and income tax (Renta).

Modelo 720 guide: who must file and the deadline

Learn everything about Modelo 720: who must file, deadlines, and how to avoid fines.

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How to declare foreign brokers in Form 720

Specific guide for investors using foreign brokers.

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Crypto: 720, 721 or Renta?

Clear map: accounts and securities go on 720, crypto custodied abroad on 721, capital gains on Spanish income tax.

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Form 720 Sanctions: What European justice says

After the CJEU ruling, fines have changed radically. We explain the current landscape.

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Differences between Form 720 and Modelo D-6

Don't confuse them: one is fiscal for the Tax Agency and the other is statistical for Trade.

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Is it safe to use AI for my taxes?

We analyze the safety, privacy, and precision of using artificial intelligence in the tax field.

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Form 720: The Danger of Relying on Forums and Opinions

Why the Tax Agency doesn't accept 'I read it on the internet' and how to avoid costly mistakes from anonymous advice.

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Did you miss the Modelo 720 deadline?

Complete guide on what to do if you didn't submit Modelo 720 before March 31st. Consequences, sanctions, and how to regularize it.

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The Spanish tax draft does not include DeGiro or IBKR

Why the draft is blank with non-resident brokers, what not to do, and how FIFO and ECB rates come from the statement.

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Capital gains across brokers: the FIFO Hacienda actually uses

If you buy on DeGiro and sell on IBKR the same ISIN, Hacienda uses one FIFO (art. 37.2). Worked example in euros.

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What happens if you report stocks wrong on the Renta

Underpaid tax, surcharges and audits. Better to amend now than wait for a notice. Art. 33.5 LIRPF.

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Do I need to file Modelo 721?

A 10-second tree: foreign exchange, €50,000 at 31 Dec, cold wallet, and Spanish-resident exchanges.

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What happens if you do not file Modelo 721

Voluntary vs after a notice, the €50,000 threshold, and why crypto gains still go on the Renta.

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Modelo 720 threshold: from what amount must you file?

When Modelo 720 applies (~€50,000 per block), what counts as foreign assets, and what goes on Modelo 721.

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Do ETFs and funds at foreign brokers go on Modelo 720?

Yes as securities if the threshold applies. Capital gains go on Renta. Common mistakes and mapping statements.

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Trade Republic and Modelo 720: Spanish IBAN, securities and 31 December

A Spanish-IBAN cash account stays off Modelo 720. ETFs are not decided by the IBAN. What to read on the statement before 31 December, and what belongs on Modelo 721.

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Interactive Brokers: which report for Modelo 720 and Spanish income tax

Do you have to file Modelo 720 with IBKR? Which Flex Query to download for the 720 and for Renta, and how to export each report.

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Do you have to file Modelo 720 again?

The law does not require filing every year — only if a group rises by more than €20,000. At Aitax we still recommend filing yearly to keep a clean snapshot for Hacienda.

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DEGIRO: which report for Modelo 720 and Spanish income tax

DEGIRO is a foreign broker: securities and cash held outside Spain. Modelo 720 applies if a group goes over €50,000. Which report for the 720 and for Renta.

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Trading 212: which report for Modelo 720 and Spanish income tax

Trading 212 is a foreign broker: securities and cash held outside Spain. Modelo 720 applies if a group goes over €50,000. Which report for the 720 and for Renta.

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Foreign accounts and deposits on Modelo 720

Cash abroad (Raisin, Revolut, Wise and the like): 31 December balance, last-quarter average, zero balance, IBAN and migrations.

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XTB: which report for Modelo 720 and Spanish income tax

Does using XTB mean you must file Modelo 720? Where it holds securities and cash, which keys to use, and which report is for the 720 and which for Renta.

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Freedom24: which report for Modelo 720 and Spanish income tax

Freedom24 is a foreign broker: securities and cash held outside Spain. Modelo 720 applies if a group goes over €50,000. Which report for the 720 and for Renta.

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Offsetting investment losses on Spanish Renta and the two-month rule

Which losses offset share or fund gains, the 25% cap against dividends and interest, the four-year carry-forward, and when a repurchase defers the loss.

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Crypto on the Spanish Renta: when you must declare

Mere holding does not go on IRPF. Sales, coin-for-coin swaps, payments and staking do. What if you lost money, or if you do not declare.

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Beckham law and Modelo 720: who files, and the first 720 for a new resident

If you have opted into the Beckham law, you do not file Modelo 720. What happens with your partner, assets from before you moved, and how to send the first 720.

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Revolut: which report for Modelo 720 and Spanish income tax

Having Revolut does not, by itself, mean you must file the 720. Spanish IBAN, Flexible Cash Funds and shares: what goes on Modelo 720 and what goes on Renta.

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Modelo 720: joint accounts, gananciales and death

If a foreign account or home is in more than one name, Hacienda looks at the total, not your share. A €60,000 example. Gananciales, authorised persons, and what happens if the holder dies.

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Foreign dividends on Spanish Renta: how to declare them and the double-tax credit

How to declare the amount received before tax, credit what you already paid abroad, and reclaim the rest in the US, Germany or France. Modelo 720 is not part of this filing.

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