Prepare your 2025 Income Tax withidCAT Certificate

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The 2025 Income campaign begins April 8 and will last until 30 in JuneTo submit the tax return online, you must have a recognized digital certificate. With theidCAT Certificate, issued by the AOC Consortium, you will be able to carry out the procedure in a fast, simple and safe, from any device where you have it installed and at any time.

How will you be able to submit the declaration?

  • Access to WEB RENT from Tax Agency website.
  • Identify yourself with theidCAT Certificate to consult and download your personal, tax and cadastral data.
  • Review the information and complete the data that is not filled in automatically (deductions for the purchase of a primary residence, pension plans, etc.).
  • Submit and sign the declaration electronically with the digital certificate.

If you don't have it yetidCAT Certificate, you can request it at idcat.cat.

You will find all the information about the operation of theidCAT Certificate in Support Portal.

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