Smooth real estate transactions in Mallorca require the Spanish NIE number (Número de Identidad de Extranjeros). This is necessary for the notary contract and the property registration and accompanies you for life without ongoing costs. The NIE is also required for buying a car, utilities and working in Spain.
Three ways to the NIE:
Spanish consulate/embassy: Personal visit with ID/passport, appointment, application form (EX-15), approx. 10-20 euros, delivery by e-mail after 3-6 weeks.
Policía Nacional in Palma de Mallorca: Appointment, application form (EX-15), copy of ID, approx. 10-15 euros, immediate issue on site.
With professional help: tax advisor, lawyer or Gestoria support. Notarized copies and power of attorney in Spanish required. Beware of unknown internet providers!