How to file Model 173 with kointax: step by step

Purpose: Informational declaration of all crypto operations during the fiscal year. Complements Model 172 (balances).

Who must file: Individuals/companies that made crypto operations exceeding established thresholds.

What it includes: Buy/sell operations, amount in euros, crypto type, platform used.

Steps with kointax:

1. Connect all exchanges and wallets
2. Review and verify transaction classifications
3. kointax: Reports → Model 173 → Select year → Generate
4. Download compatible file
5. Present at AEAT Sede Electrónica (digital certificate or Cl@ve PIN)

Important: Model 173 is informational. AEAT cross-references with IRPF. Discrepancies = audit risk. Must file both separately.

👉 Generate your Model 173 with kointax