The Secretary may establish, appoint members of, and use the services of, advisory committees, as the Secretary may deem necessary. An advisory committee established under this section may be exempted by the Secretary from Public Law 92–463, but the Secretary shall publish notice in the Federal Register announcing the establishment of such a committee and identifying its purpose and membership. Notwithstanding the preceding sentence, members of an advisory committee that is exempted by the Secretary under the preceding sentence who are special Government employees (as that term is defined in section
202 of title
18) shall be eligible for certifications under subsection (b)(3) of section
208 of title 18 for official actions taken as a member of such advisory committee.