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Tax calendar examples: what a self-employed person or a company files

Seven made-up people, each with their own activity, and the 2026 calendar that Mis Obligaciones suggests for them with its real rules and the official calendar of their tax authority. They help you see why the 130 applies to one person and not to another.

Reviewed on 1 min read

The {n} examples, side by side

Which forms come up for each one in 2026 and how many deadlines they add up to.

ExampleTax authorityFormsDeadlines in 2026
Self-employed designer in MadridMainland Spain and the Balearic Islands130, 303, 390, RETA, 10026
Plumber under modules in ZaragozaMainland Spain and the Balearic Islands131, 303, 390, RETA, 10026
Lawyer with an office in ValenciaMainland Spain and the Balearic Islands115, 303, 390, RETA, 180, 347, 10030
Online shop with employees (S. L., limited company)Mainland Spain and the Balearic Islands111, 303, 349, 390, RETA, SS-RG, 369, 190, 347, 20056
Self-employed developer in the Canary IslandsCanary Islands111, 130, RETA, 190, 420, 425, 10033
Carpenter with a workshop in BizkaiaBizkaiaRETA, SS-RG, 110, 115, 130, 140, 180, 190, 390, 303, 10055
Consultancy (S. L.) in NavarreNavarreRETA, 715, 716, F69, 190, 193, S90, S9133

How they are made

Each example answers the same questionnaire as the app (legal form, tax authority, VAT, income tax, employees, rented premises…) and goes through the same rules as the app’s suggestion, with the same official calendars. There is no separate version for the website: if the app changes, these pages change with it.

This is an example with a made-up person. Your case may have exceptions that a questionnaire cannot see: Mis Obligaciones suggests and you review, and if you have someone who advises you, you show it to them.

Official sources

Where what this page says comes from, consulted on the review date. If something does not match, the source prevails.

  1. 2026 tax calendar for Mainland Spain and the Balearic Islands Agencia Tributaria
  2. 2026 tax calendar for Canary Islands Agencia Tributaria Canaria
  3. 2026 tax calendar for Álava Diputación Foral de Álava
  4. 2026 tax calendar for Bizkaia Diputación Foral de Bizkaia
  5. 2026 tax calendar for Gipuzkoa Diputación Foral de Gipuzkoa
  6. 2026 tax calendar for Gipuzkoa Diputación Foral de Gipuzkoa
  7. 2026 tax calendar for Navarre Hacienda Foral de Navarra
  8. 2026 tax calendar for Navarre Hacienda Foral de Navarra

Keep reading

This is information copied from official sources to help you find your way, not tax advice: your case may have exceptions. Check it on the authority’s website or with whoever advises you.

Your deadlines, and only yours

Tell Mis Obligaciones what you do for a living and it suggests your calendar for the year, each form with its reason. You review it, and it reminds you a week before and the day before.

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