Quarterly tax filing deadlines

Spanish autonomos must file quarterly tax declarations. The deadlines are:

Q1 (January-March): File by April 20

Q2 (April-June): File by July 20

Q3 (July-September): File by October 20

Q4 (October-December): File by January 30 of the following year

Modelos to file each quarter:

- Modelo 303: IVA quarterly return (all autonomos charging IVA)

- Modelo 130: IRPF estimated payment (autonomos on estimacion directa)

- Modelo 131: IRPF estimated payment (autonomos on modulos system)

Annual declarations:

- Modelo 390: Annual IVA summary (January 30)

- Modelo 347: Third-party operations over EUR 3,005.06 (February 28)

- Modelo 100: Annual IRPF return (April-June)

k-factu shows all these deadlines on the Tax > Calendar page with status indicators.