; and (III) adopt procedures allowing any interested party to submit information for the Commission's use in making reports and recommendations. (C) Direction to the National Academy of Medicine The Commission may direct the President of the National Academy of Medicine to conduct studies of illnesses described in subsection (b). (D) Expenditures The Commission may make such expenditures for services and materials for the purpose of carrying out this section as the Commission considers advisable from funds appropriated for that purpose. (e) Oversight (1) Access to records The Comptroller General shall have unrestricted access to all deliberations, records, and data of the Commission, immediately upon request. (2) Audit The Commission shall be subject to periodic audit by the Comptroller General. (f) Reports (1) Reports on recommendations The Commission shall submit to the Secretary of Veterans Affairs and to Congress a report regarding each recommendation under subsection (b) not later than 90 days after making such recommendation. In any such report that includes a recommendation that the Secretary determine that an illness does not have positive association with exposure to toxic airborne chemicals and fumes caused by open burn pits, the Commission shall include an explanation of the evidence and scientific basis for such recommendation. (2) Annual report The Commission shall submit to the Secretary of Veterans Affairs and to Congress a report not later than one year after the date of the enactment of this Act and annually thereafter. Each annual report shall include the following with regards to the preceding year: (A) Recommendations made by the Commission under subsection (b). (B) A review of information described in paragraphs (1) through (6) of subsection (b) that the Commission has reviewed relating to illnesses for which the Commission has not yet made a recommendation under that subsection. (3) Quinquennial report The Commission shall submit to the Secretary of Veterans Affairs and to Congress a report