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Obtaining the reference number: 2021 Income Tax

The reference number allows you to access the consultation of your tax data and the draft of your declaration, and its subsequent processing.

We recommend that you obtain the reference from the app of the Tax Agency , which allows for simpler access to the most used services throughout the Rent campaign. However, you can also obtain the reference number online at the electronic headquarters of the Tax Agency, through the RENØ service with box 505 of your 2020 declaration, with Cl@ve PIN or with an electronic certificate or electronic DNI.

In the video we show you how to obtain the reference number with box 505: Box 505 and obtaining reference .