The number itself is made up of an initial letter followed by seven digits followed by a verification letter. The initial letter is an X before July 2008 and a Y afterwards. It is issued by the National Police of Spain. The NIE, which in accordance with Article 101 of the Rules for foreigners in Spain, was approved by Royal Decree 2393/2004 on December 30, 2004, is required for the purchase or sale of real estate, vehicle and boats, or in order to work or study. There are many other transactions that require the parties involved to possess an NIE Number. In some cases, alternate identification, e.g., passport number, may be used. The NIE number itself is issued on a standard
A4 page, with the recipients full name (as written on the
passport used during the application process), their place of birth, their nationality, and the number itself, along with a stamp and signature provided by the National Police. == Applying for NIE ==