Let’s tell you how to get your reference number for Income campaign 2025, whose declaration we make in 2026. It is a six-digit number that will be used to manage any of the services related to this Income campaign.
We are going to tell you in summary the two methods to obtain your reference number. On the one hand, you can do it through the Tax Agency website. And on the other hand you can resort to the Tax Agency app or AEAT, available for Android on Google Play and for iOS in the App Store.
Your reference number on the web


To obtain your reference number through the Internet, you have to go to the page headquarters.agenciatributaria.gob.es/Sede/numero-rereference.html of the Tax Agency. In it, you will already be inside the section Reference number from the left column, and you just have to click on Get your reference number the box appears Management.


This will take you to the page where you must identify yourself as a person. You have several methods to do it, such as using your digital certificateincluding the FNMT certificate and that of DNIeor with the Mobile Key system, including the PIN key. Choose the method you want and log in.


And that’s it. Just by doing this you will enter a page where the reference number appears in the field to manage income is:. This website also indicates your NIF so that you know that the number is yours and there has been no error in identification.
Your reference number through the app


To obtain your reference number from the AEAT application of the Tax Agency, you have to Click on the option to view your profile top right. This option will appear upon logging in. If you are not logged in, simply tap Users and use the digital certificate to identify yourself.


And that’s all. Just by entering your profile you will go to a screen with your name and ID, where your reference number is shown just below. You will also have access to other procedures as a user, but the reference number is visible.
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