This subseries is comprised mostly of 90 day progress reports produced by Willowbrook authorities for the Review Panel. The reports contain unit demographic descriptions, compliance inventories, compliance plans, progress narratives, and assurance statements. Also included in this subseries are files from the initial Willowbrook compliance survey of 1975, operational plans for Willowbrook Developmental center, and files related to the Staten Island Audit Compliance Task Force. At the end of the subseries are several folders containing reports on the status of Willowbrook non-residential clients.