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Complete guide: how to file Model 172 with kointax step by step

Model 172 is mandatory for those with crypto at exchanges. Step-by-step guide to generate and file it with kointax.

Equipo kointax·August 30, 2026·5 min read

How to file Model 172 with kointax: step by step

Who must file: Individuals and companies with crypto at foreign exchanges where AEAT doesn't receive automatic reports, if balance > €50,000 on December 31.

Deadline: Annually in January of the following year.

Step by step with kointax:

  1. Connect all exchanges and wallets
  2. Verify December 31 snapshot date
  3. In kointax: Reports → Model 172 → Select year → Generate
  4. Download compatible file
  5. Present at AEAT Sede Electrónica (digital certificate or Cl@ve PIN)

Content: Exchange name, crypto type, balance at 31/12 (in units), valuation in euros.

Consequences of non-filing: Sanctions of €250-10,000.

👉 Generate your Model 172 with kointax

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