(a) This part sets forth policies and procedures to be followed when, in connection with a legal proceeding, an NSF employee is issued a demand to provide testimony or produce official records and information.(b) The provisions of this part are intended to promote economy and efficiency in NSF's programs and operations; minimize the possibility of involving NSF in controversial issues not related to its functions; maintain the impartiality of NSF among private litigants; and protect sensitive, confidential information and the deliberative process.(c) This part is not intended to and does not waive the sovereign immunity of the United States.(d) This part is intended only to provide guidance for the internal operations of NSF, and is not intended to, and does not, and may not be relied upon to create any right or benefit, substantive or procedural, enforceable at law by a party against the United States.