 During that five-year renewal period, the Diplomate must be actively engaged in forensic document examination work either as an examiner, as a supervisor of other forensic document examiners or as a trainer of forensic document examiners.Additionally, the Diplomate applying for recertification must earn at least 40 continuing education credits to demonstrate that s/he has maintained currency in the profession.Credits are awarded for a variety of related activities, such as attendance and participation at ABFDE approved forensic meeting and programs, and publication of articles in journals approved by the Board.