If you have an outstanding debt with the Spanish Tax Agency (Agencia Tributaria), you can check and pay it online through the AEAT electronic office.
- Go to the official Agencia Tributaria website:
https://sede.agenciatributaria.gob.es/ - On the main page, select “Pagar, aplazar y consultar”.

- Then click “Consulta de deudas”.

- Log in using your electronic certificate.
- The system will display the outstanding debts. To pay a specific debt, click “Pagar algunas deudas”.

- Select the debt you want to pay and click “Pagar”.
- Choose the available payment method. Depending on the type of debt, the Tax Agency may offer:
- direct debit from a bank account;
- bank card or Bizum;
- bank transfer.
- After completing the payment, make sure to download and save the justificante de pago, which is the official proof of payment.
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