; (ii) not more than 10 percent may be used for executive compensation of officers and directors of the Center; and (iii) not more than 20 percent may be used for administrative expenses of the Center, except that the reasonable travel expenses of investigative personnel of the Center and litigation expenses of the Center shall not be counted toward such amount. (B) Reserve funds (i) In general If, after the Center uses the amounts as allocated under subparagraph (A), the Center does not use the entirety of the remaining amounts for the purpose described in paragraph (1), the Center may retain not more than 25 percent of such amounts as reserve funds. (ii) Return of funds The Center shall return to the corporation and national governing bodies any amounts, proportional to the contributions of the corporation and national governing bodies, that remain after the retention described in clause (i). (C) Lobbying and fundraising Amounts made available to the Center under this paragraph may not be used for lobbying or fundraising expenses. (3) Conferences and training The Center shall, to the maximum extent practicable, seek reimbursement for the reasonable expenses associated with hosting or supporting conferences for, and providing training or technical assistance to, individuals who are not employees of the Center. . (b) Records, audits, and reports Section 220543 of title 36, United States Code, is amended— (1) by striking subsection (b) and inserting the following: (b) Audits and transparency (1) Annual audit (A) In general Not less frequently than annually, the financial statements of the Center for the preceding fiscal year shall be audited by an independent auditor in accordance with generally accepted accounting principles— (i) to ensure the adequacy of the internal controls of the Center