(10) Invest, as specified in section 6(c), moneys authorized to be received under this Act. (11) Establish advisory committees or other bodies composed of persons eminent in international affairs, global security, and civil and human rights, to advise the Board without compensation (other than travel related expenses) on matters determined to be necessary by the Board. (12) Respond to the request of offices of Congress and other departments or agencies of the Federal Government to examine, study, or report on any issue within the Institute’s competence, including the use of classified materials if necessary. (13) Work with the appropriate security offices of the House of Representatives and Senate to obtain or retain need-based security clearances for Institute personnel. (14) Assign Institute personnel to temporary duty with offices of the Federal Government, international organizations, agencies and other entities to fulfill this Act. (15) Make other necessary expenditures. 9. Authorization of appropriations