The identification of project residents eligible to participate in a congregate services program assisted under this chapter, and the designation of the services appropriate to their individual functional abilities and needs, shall be made by a professional assessment committee. Such committee shall utilize procedures which insure that the process of determining eligibility of individuals for services under this title shall accord such individuals fair treatment and due process and a right of appeal of such determination of eligibility, and shall also assure the confidentiality of personal and medical records.