; and (B) by striking subsection (b) and inserting the following: (b) Endowment fund An institution seeking to establish or increase an endowment shall abide by the requirements in section 311(c). ; (2) in section 325(a), by striking (C), (D), and (E) and inserting (C) through (F) ; (3) in section 326— (A) by striking subsection (b) and inserting the following: (b) Duration The Secretary may award a grant to an eligible institution under this part for a period of 5 years. Any funds awarded under this section that are not expended or used for the purposes for which the funds were paid within 10 years following the date on which the grant was awarded, shall be repaid to the Treasury. ; (B) by striking subsection (c) and inserting the following: (c) Authorized activities A grant under this section may be used for— (1) the activities described in paragraphs (1) through (12), (14) through (15), and (17) of section 311(b); (2) scholarships, fellowships, and other financial assistance for needy graduate and professional students to permit the enrollment of the students in and completion of the doctoral degree in medicine, dentistry, pharmacy, veterinary medicine, law, and the doctorate degree in the physical or natural sciences, engineering, mathematics, or other scientific disciplines in which African Americans are underrepresented; (3) acquisition of real property that is adjacent to the campus in connection with the construction, renovation, or addition to or improvement of campus facilities; (4) services necessary for the implementation of projects or activities that are described in the grant application and that are approved, in advance, by the Secretary, except that not more than two percent of the grant amount may be used for this purpose; and (5) other activities proposed in the application submitted under subsection (d) that— (A) contribute to carrying out the purposes of this part; and (B) are approved by the Secretary as part of the review and acceptance of such application.