Professional Hockey Players' Association - Official website of the PHPA. Atlantic Amateur Hockey Association Officiating Program - The official site of the officiating program of the Atlantic District of USA Hockey. WNYNIHOA.com - The official website of the Western New York Chapter of the National Ice Hockey Officials Association, located in Rochester, NY. Dane County Hockey Officials Association - Provides news, registration, events, manuals, schedules, and contact information for Dane County, Wisconsin. Mid Hudson Hockey Officials Association - Information about the groups history, documents, forms, rule changes and interpretations, and contact details. National Ice Hockey Officials Association - NIHOA has many different resources for hockey officials. Organizes the national officiating community.