Publication: Magyar Közlöny
Issue: MK-2004-25 (Year: 2004, Number: 25)
Era: 2004-2010
Section: 
Paragraph Index: 710

1. The reference number of the observation flight shall be indicated by a single group of six alphanumeric characters in accordance with the following convention: (A) the letters „OS”; (B) the last digit of the calendar year for which the individual active quota applies; and (C) a three-digit number to represent each individual observation flight comprising the active quota distributed during the annual review within the framework of the Open Skies Consultative Commission for a calendar year to a State Party over the territory of another State Party.

Source: https://magyarkozlony.hu/hivatalos-lapok/2c76251dd26aad2357aa93e94ceb4cb75b90d4fd/dokumentumok/35587f52b853d8c0a137d12bce2b73fe714736df/letoltes