The Four-official system is gaining more popularity at the higher levels of amateur, collegiate and professional hockey. Here are some resources to help MIHOA officials learn about the 4-official system.
USA Hockey Four-Official System Positioning & Mechanics Manual
Includes basic information, diagrams, descriptions and notes. To download the manual, click here.
NHL 4-Official System video
Produce by the NHL, an excellent review of positioning, mechanics, field of view during live NHL game clips.
NCAA 4-Official Guidelines
The NCAA rule book includes diagrams and descriptions of the 4-official system beginning on page 128. To download the NCAA rule book, click here.