The United World Mixed Martial Arts Federation organized the Refereeing and Judging Seminar for the Islamic Republic of Iran, the seminar was conducted by Grand Master Shaker Saberi from 4th Dec 2020 to 24th Dec 2020 in which the following participants passed the required examination successfully and the United World Mixed Martial Arts Federation issued them the (D) grade Refereeing and Judging Certificates which is acceptable for all domestic events, for International Events the Referees and Judges must be an (A) grade certified Referee and Judge.