U.S. Immigration and Customs Enforcement Memorandum for Chief Counsels on Exercising Prosecutorial Discretion To Dismiss Adjustment Cases (October 6, 2005) [pdf]
ICE Memorandum setting forth the criteria and procedures by which an Immigration and Customs Enforcement (ICE) Office of the Chief Counsel (OCC) may join in or file a motion to dismiss proceedings
without prejudice when the ICE OCC determines adjustment applications currently pending before EOIR would be appropriate for approval by Citizenship and Immigration Services (CIS).