Ad Hoc/Unofficial Committee Ad Hoc Committee Ad Hoc/Unofficial Committee Special Committee Unofficial Committee ADHOC Ad-hoc/unoffizieller Ausschuss Comité ad hoc/non officiel アドホック/非公式委員会 Comitê ad hoc/não oficial 临时/非官方委员会 ADHOC An ad hoc committee is formed for a specific purpose, usually to solve a particular problem. In U.S. bankruptcy law, an Unofficial Committee means the informal committee comprised of certain of the debtors' larger unsecured creditors that was formed and active prior to the commencement date.