Excerpts from the IAHA Policies and Procedures Manual:
Regarding Tier Playoffs:
Each game in the Association Championships shall use a three-person on-ice officiating system. The IAHAs Supervisor of Referees or his/her designee shall assign all Officials to A and B Division Association Championships games. Unless expressly authorized by the IAHAs Supervisor of Referees, to be eligible to officiate in the A and B Division Association Championships, an Official must be certified by USA Hockey at the level required for the age classification for which he/she officiates.
An Official shall not officiate a game, either as Referee or Linesman, in which a relative (blood or legal) participates as a player or coach. In addition, a Referee shall not officiate any game in an age group in which he/she has a relative (blood or legal) participating as a player or coach. A Referee shall not officiate any game in which a team from his/her community is playing.
Regarding High School Playoffs:
Each game in the State High School Championships shall use a three-person on-ice officiating system. The IAHAs Supervisor of Referees or his/her designee shall assign all Officials to State High School Championships games. Unless expressly authorized by the IAHAs Supervisor of Referees, to be eligible to officiate in the State High School Championships an Official must be certified as a USA Hockey Level 3 or Level 4 official. An Official shall not officiate a game, either as Referee or Linesman, in which a relative (blood or legal) participates as a player or coach. In addition, a Referee shall not officiate any game in an age group in which he/she has a relative (blood or legal) participating as a player or coach. A Referee shall not officiate any game in which a team from his/her community is playing.
For additional information, please see the IAHA Policies and Procedures Manual.