Ultimo aggiornamento: November 18, 2025
Tax information refers to the data that the Spanish Tax Agency (AEAT) has recorded about your income, deductions, assets, and family situation. This includes:
- Employment income, pensions, and benefits.
- Income from economic activities.
- Income from movable and real estate capital.
- Owned real estate properties.
- Withholdings applied.
This information is used to prepare your Renta draft. Generally, only data from Spanish sources appear; however, over time, the Tax Agency has also collected data from foreign sources, which may occasionally appear in your tax information.
On the other hand, the reference number is a personal and temporary number provided by the Tax Agency to securely identify you and access your draft or tax information online. Key points about the reference code:
- It is generated through the AEAT website or app.
- It allows you to consult, confirm, and modify your tax information without the need for a digital certificate or Cl@ve PIN.
- Its validity is limited, usually only for the current year’s tax campaign.
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