; (iv) policies that subject all implementing partners, employees, fellows, trainees, and other agents of the Foundation (including ex-officio members of the Board and appointed members of the Board) to stringent ethical and conflict of interest standards; (v) removal and exclusion procedures for implementing partners, employees, fellows, trainees, and other agents of the Foundation (including ex-officio members of the Board and appointed members of the Board) who fail to uphold the ethical and conflict of interest standards established pursuant to clause (iii); (vi) policies for winding down the activities of the Foundation upon its dissolution, including a plan— (I) to return unspent appropriations to the Treasury of the United States; and (II) to donate unspent private and philanthropic contributions to projects that align with the goals and requirements described in section 7; (vii) policies for vetting implementing partners and grantees to ensure the Foundation does not provide grants to for profit entities whose primary objective is activities other than conservation activities; and (viii) clawback policies and procedures to be incorporated into grant agreements to ensure compliance with the policies referred to in clause (vii). (B) Requirements The Board shall ensure that the bylaws of the Foundation and the activities carried out under such bylaws do not— (i) reflect unfavorably on the ability of the Foundation to carry out activities in a fair and objective manner; or (ii) compromise, or appear to compromise, the integrity of any governmental agency or program, or any officer or employee employed by, or involved in, a governmental agency or program. (c) Foundation staff Officers and employees of the Foundation— (1) may not be employees of, or hold any office in, the United States Government; (2) may not serve in the employ of any nongovernmental organization, project, or person related to or affiliated with any grantee of the Foundation while employed by the Foundation