; (B) shall provide that if the employee of the element fails to carry out the agreement, such employee shall be liable to the United States for payment of all non-salary and benefit expenses of the detail, unless that failure was for good and sufficient reason, as determined by the head of the element; (C) shall contain language informing such employee of the prohibition on sharing, using, or otherwise improperly handling classified of unclassified non-public information for the benefit or advantage of the private-sector organization; (D) shall contain language governing the handling of classified information by such employee during the detail