Post actualizado el día September 27, 2026 by DeiviSanzPlay
The, 2025 before the Tax Agency.
The value of a bad one is €22,000 and the second return even if they record losses or minimal activity.
Verify through the withholding certificate and Form 100 whether the withholdings cover at least 15% of the net income. Run the simulation in Renta Web before the campaign closes and measure the difference between gross tax liability and withheld tax liability; a deviation greater than €300 usually indicates insufficient installment payments or incorrectly applied deductions.
I have seen advisory teams fall into the trap of ignoring secondary income from digital platforms because the bank did not apply withholding. The first time we audited a case like this, the regularization included 10% surcharges for filing late.
