Modelo 303: quarterly VAT return

The form every freelancer and SMB must file quarterly with the tax authority.

What is Modelo 303

Modelo 303 is the quarterly VAT self-assessment that all business owners and professionals must file. It declares output VAT (charged) and input VAT (paid), and calculates the difference to pay or offset.

Filing deadlines are: April 1-20, July 1-20, October 1-20, and January 1-30.

Who it affects

  • 1

    All registered self-employed professionals

  • 2

    Companies and commercial entities

  • 3

    Liberal professionals (lawyers, architects, consultants, etc.)

  • 4

    Any VAT-liable entity

Filing deadlines

April 1-20

First quarter (January-March)

July 1-20

Second quarter (April-June)

October 1-20

Third quarter (July-September)

How Facturacion IA helps with Modelo 303

1

Automatic calculation

Facturacion IA automatically calculates your output and input VAT from your invoices.

2

Pre-filled draft

Generate a Modelo 303 draft with all fields filled in, ready to file.

3

Deadline alerts

Receive reminders before each deadline so you never file late.

File Modelo 303 without errors

Automatic calculation, pre-filled draft and deadline alerts. All in one place.

Start free