Preparation of an annual affidavit for each employee to determine their personal income tax withholding rate (Form 145).

Monthly calculation and regularisation of the IRPF percentage for all employees.

Preparation of certificates for individual personal income tax returns.

Preparation and filing of monthly, quarterly and annual tax returns, relating to the following withholdings:

- Forms 110/111 and 190 (Personal Income Tax).
- Forms 123 and 193 (Image rights).
- Forms 115 and 180, (Withholdings on rents)
- Forms 216 and 296 (Withholdings of non-residents)