(a) In general In order to carry out this chapter, the Foundation may - (1) appoint and fix the compensation of such personnel as may be necessary to carry out the provisions of this chapter, except that in no case may an employee other than the Executive Secretary be compensated at a rate to exceed the maximum rate provided for employees in grade GS-15 of the General Schedule under section 5332 of title 5; (2) procure temporary and intermittent services of experts and consultants as are necessary to the extent authorized by section 3109 of title 5, but at rates not to exceed the rate specified at the time of such service for grade GS-18 under section 5332 of such title; (3) prescribe such regulations as it considers necessary governing the manner in which its functions shall be carried out; (4) receive money and other property donated, bequeathed, or devised, without condition or restriction other than it be used for the purposes of the Foundation, and to use, sell, or otherwise dispose of such property for the purpose of carrying out its functions; (5) accept and use the services of voluntary and noncompensated personnel and for travel expenses, including per diem, as authorized by section 5703 of title 5; (6) enter into contracts or other arrangements, or make grants, to carry out the provisions of this chapter, and enter into such contracts or other arrangements, or make such grants, with the concurrence of two-thirds of the members of the Board, without performance or other bonds and without regard to section 5 of title 41; (7) rent office space in the Washington, District of Columbia, metropolitan area; and (8) make other necessary expenditures. (b) Annual report The Foundation shall submit to the President and to Congress an annual report of its operations under this chapter.