sentences:  Passports issued from 2000 to 2010 were machine-readable passports, had a validity of 5 years and included 36 pages.In 2006, Russia issued the first machine-readable biometric passports and in 2010, the design of the biometric passports was modified to include 46 pages and have a validity of 10 years.Citizens under 18 traveling without either of their parents must have written consent of both parents allowing their departure from the country.