Apprentices work lower level games and are reevaluated every year. Local Rated umpires work jr high and high school games and are reevaluated every two years. High School rated umpires meet the requirements of their respective state federations. After holding a sectional rating for two years, umpires are reexamined every four years. Candidates for a national rating submit an application and resume to the ratings chair indicating their last two years of umpiring experience, developmental participation and service to the umpiring organization.
National Ratings are valid for four years.
I contests and are expected to provide service to the organization at accredited tournaments or service on approved committees. Umpires must be active on top level matches and own complete knowledge of international rules. FIH umpires must be at least 20 years old and have worked at least three matches involving international teams.