Deciding to continue his career as an amateur and female referee instructor, Mammadov will be able to be appointed as a referee-inspector in the Premier League from the 2021/2022 season if he successfully passes the exams. 

It should be noted that the former FIFA referee, who started his career as a referee in 2005, was appointed as an assistant referee in 2008-2010 and as a referee in 2015-2017.