To be considered for induction by a screening committee, a player, retired coach, or referee must be fully retired from that role for at least three full seasons. The waiting period had originally been five years, but was changed to four years in December 2015, and to three seasons in December 2017. Prior to the induction class of 2018, referees had been eligible for induction after 25 years of full-time service, even if still active. Changes to the criteria for consideration of active coaches were also announced as part of the 2017 changes. Currently, coaches become eligible upon 25 years of full-time service at the high school level or above, or three seasons after retirement. Effective with the class of 2020, active coaches must meet the years of service requirement and be at least 60 years old. No years of service criterion is required for those who have made a "significant contribution to the game of basketball". Sportswriters and commentators are elected as full-fledged members, in contrast to the Baseball Hall of Fame that places them in separate wings from the "real" Hall of Fame.