; and (iii) contain language ensuring that such employee of the Administration or of the private sector entity (as the case may be) does not improperly use predecisional or draft deliberative information that such employee may be privy to or aware of related to Administration programing, budgeting, resourcing, acquisition, or procurement for the benefit or advantage of the private sector entity. (B) Treatment An amount for which an employee is liable under subparagraph (A) shall be treated as a debt due the United States. (C) Waiver The Administrator may waive, in whole or in part, collection of a debt described in subparagraph (B) based on a determination that the collection would be against equity and good conscience and not in the best interests of the United States, after taking into account any indication of fraud, misrepresentation, fault, or lack of good faith on the part of the employee concerned. (3) Termination An assignment under this section may, at any time and for any reason, be terminated by the Administration or the private-sector entity concerned, as the case may be. (4) Duration (A) In general An assignment under this subsection shall be for a period of not less than three months and not more than two years, renewable up to a total of three years. An employee of the Administration may not be assigned under this subsection for more than a total of three years inclusive of all such assignments. (B) Extension An assignment under this subsection may be for a period in excess of two years, but not more than three years, if the Administrator determines that such assignment is necessary to meet critical mission or program requirements. (5) Policies and procedures (A) In general The Administrator shall establish policies and procedures relating to assignments under this subsection. (B) Elements Policies and procedures established pursuant to subparagraph (A) shall address the following: (i) The nature and elements of written agreements with participants in assignments under this subsection. (ii)