Sources

Where NEXO's answers come from

110 official pages from 20 Spanish authorities. Manually checked by NEXO, and every guide, form and answer cites them.

National99

Ministries, agencies and national services of the Spanish state.

Catalonia7

The Generalitat de Catalunya: health, education and justice.

Barcelona4

The Ajuntament de Barcelona and the city's education consortium.

A page counts once, however many guides cite it. NEXO's own observations are not sources and are not listed here. The authorities' names stay in Spanish or Catalan, as you will see them on their letters.