ACBL requires each district to appoint a District Disciplinary Chairman and a separate District Appellate Chairman. ACBL requires each unit to appoint a Unit Disciplinary Chairman.
Each district/unit appoints committee members according to its own established procedures, which may vary from district to district and unit to unit.
It is required that members of a tournament disciplinary committee not serve on a unit or district disciplinary committee dealing with the same matters. Members of the District Appellate Committee may not have served on a Tournament, Unit or District Disciplinary Committee dealing with matters coming before the District Appellate Committee.