The accounts of the National Board shall be audited annually in accordance with generally accepted auditing standards by independent certified public accountants or independent licensed public accountants certified or licensed by a regulatory authority of a State or other political subdivision of the United States. The audits shall be conducted at the place or places where the accounts of the National Board are normally kept. All books, accounts, financial records, reports, files, and all other papers, things, or property belonging to or in use by the National Board and necessary to facilitate the audits shall be made available to the person or persons conducting the audits, and full facilities for verifying transactions with any assets held by depositories, fiscal agents, and custodians shall be afforded to such person or persons.