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The Chicago convention, contains standards and recommended practices (SARPS) of ICAO Annexes . You can download the Annexes from ICAO official website. You also can check the edition and amendment number of current Annexes to ensure your copy is up to date

Attention : In case of any problem in downloading the circular file, please announce the title of the circular to the e-mail address it@cao.ir so that the desired file can be sent to you. It should be noted that the latest version of Circular 1200 is available in the Event section.
In this section you will find all the forms & checklists.