- Modelo 130
- Quarterly personal income tax (IRPF) instalment for self-employed people under direct assessment.
- Modelo 303
- Periodic VAT return.
- Modelo 390
- Annual VAT summary return.
- Modelo 349
- Information return for intra-EU transactions.
- Modelo 111
- Withholdings and payments on account on employment income and professional activities.
- Modelo 190
- Annual summary of the withholdings in form 111.
- Modelo 115
- Withholdings on the rental of urban property.
- Modelo 180
- Annual summary of the withholdings in form 115.
- Modelo 347
- Annual return of transactions with third parties exceeding 3,005.06 € in the year.