All travel agencies or tour operators in IRAN that they are legal and work officially & under the law of Islamic Republic of IRAN has one or two licences, one from Cultural Heritage, Handicrafts and Tourism Organization of IRAN and called “License-B”, Second one from CAO(Civil Aviation Organization) and called “License-A”. License-B is for touring and License-A is for ticketing.
MASHAHIR GASHT travel agency has both of them.
For more information do not hesitate to contact us.