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Form 303 - Technical assistance

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Electronic filing of form 303 for file 2022 and previous years

The filing file must comply with the specifications of the published registration design, available on the Tax Agency's website.

Access requires identification with an electronic certificate, electronic DNI or Cl@ve PIN.

After identification, fill in the required data in the initial window and click "Send".

Start window

The "Ventana Censal IVA"will open, where you will find the information in force in the accrual period on the IVA and the IRPF and you can access the options available at the top:"Consult and/or modify My VAT Tax Registry Data" and "Continue with the filing of form 303".For each activity there is a magnifying glass icon to check the details of the address where each activity is carried out.

VAT Tax Register Window:

  • "Consult and/or modify My VAT Tax Registry Data":

You will obtain the corresponding census data and you will be able to modify them from the link "To modify this data (Registration, Cancellation) click here".

Consultation and modification of VAT tax registry data

  • Continue with the Presentation of Form 303:

The file sending page is displayed.Before proceeding, it is advisable to check the warnings.

Read file

Once you have checked the notices, click on the button "Read declaration" and locate the file generated.Select file

All the declaration data will then be displayed.If they are correct, click on "Sign and send" at the bottom.

Tax return data

A window appears to confirm the submission.Check the box "Conforme" and click on "Sign and Send".

Click OK, sign and send

After signing and submitting, you will get a response sheet with the message "Your submission has been successful" and the secure verification code.The embedded PDF contains the submission information on the first page (registration entry number, Secure Verification Code, receipt number, date and time of submission and presenter details) and the full copy of the tax return on subsequent pages.

Report of the sending made

In cases where there is an acknowledgement of debt, the answer sheet will show a link to request the postponement or compensation.Click on "Process debt".You will then see the details of the settlement with the debtor's details and the settlement key.Select one of the available options to continue:defer, clear or pay.