NIV Favourite Spanish Property Insight › Forums › Spanish Property Forums › Real Estate Topics, News & Discussion › NIV This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 13 years ago. Author Posts January 8, 2006 at 7:15 pm #51476 AnonymousParticipant I own a property in spain and have got my niv number I have been devorced and changed from my married name to my maiden name. How do I go about changing my niv name ? is it nessery? 🙂 Author Posts The forum ‘Real Estate Topics, News & Discussion’ is closed to new topics and replies.