; members; participation by Federal entities (A) Chair and members The Chair of the working group shall be the Under Secretary and the working group shall include representatives from the following: (i) The Commission. (ii) The communications industry. (iii) Academia. (iv) Entities that manufacture radio receivers. (v) Entities that establish technical specifications for radio receivers. (B) Participation by Federal entities The Under Secretary shall invite a representative from each Federal entity to participate in the working group. (4) Federal Advisory Committee Act exemption Chapter 10 of title 5, United States Code, shall not apply to the working group. (b) Publication of voluntary criteria, standards, ratings, and other measures Not later than 18 months after the date on which the working group is convened, the Under Secretary shall publish, consistent with the protection of classified information and intelligence sources and methods, the voluntary criteria, standards, ratings, and other measures developed pursuant to subsection (a) on a publicly accessible page on the website of the NTIA and in the Federal Register. (c) Periodic review and update Not less frequently than every 4 years, the Under Secretary shall review and update, if appropriate, the voluntary criteria, standards, ratings, and other measures published under subsection (b). Any such update shall be published as described in subsection (b) not later than 14 days after the date on which the update is completed. (d) Consideration In developing, and periodically updating, voluntary criteria, standards, ratings, and other measures under this section, the Under Secretary shall take into consideration the unique technical and operational characteristics of different Federal systems. (e) Rule of construction Nothing in this section may be construed to provide authority for the establishment of any— (1) mandatory criteria, standards, ratings, or other measures