You can access to the latest version of CAO.IRI rules and regulations in this page (www.cao.ir/web/english/rules-and-regulation).

These documents (in this page) are  not under control of CAO.IRI after printing or downloading.

 

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

In this section you will find all the circulars of IR-ICAO.
In this section you will find all the forms & checklists.