NIE or Alien Identification Number:
In accordance with Article 101 of the Spanish Immigration Regulations, approved by Royal Decree 2393/2004, of December 30, foreigners who, for their economic, professional or social interests, relate to Spain, will be provided, for identification purposes , of a personal number, unique and exclusive, of a sequential nature.
The personal number will be the identifier of the foreigner, which must be included in all the documents that are issued or processed, as well as the procedures that are stamped on your identity card or passport. It is required to buy property, vehicles and boats
In order to carry out any real estate transaction, you must have a foreigner identification number or NIE.
Outside Spain, the procedures are done at the Spanish Consulate, in the Iberian Peninsula you will have to appear at the nearest commissioner after having made an appointment.