; and (C) how any concerns described in subparagraph (B) were resolved. (3) Rule of construction Nothing in this subsection may be construed to require the disclosure of classified information, or other information reflecting technical, procedural, or policy concerns that is exempt from disclosure under section 552 of title 5, United States Code (commonly known as the Freedom of Information Act ). (4) FCC consideration (A) In general The Commission may not consider any technical, procedural, or policy concerns of a Federal entity regarding a spectrum action unless such concerns are filed by the Under Secretary on behalf of the Federal entity in the public record, or in a classified non-public filing made in accordance with subparagraph (B), with respect to the proceeding of the Commission relating to the spectrum action. (B) Classified information Any classified information that is filed by the Under Secretary on behalf of a Federal entity with respect to the proceeding of the Commission relating to a spectrum action shall be filed in accordance with Commission procedures and using appropriate protective measures to prevent unauthorized disclosure. (b) Federal spectrum coordination responsibilities (1) In general Not later than 180 days after the date of the enactment of this section, the Under Secretary shall establish a charter for the ISAC. (2) ISAC representative (A) In general The head of each Federal entity that is reflected in the membership of the ISAC, as identified in the charter established under paragraph (1), shall appoint a senior-level employee (or an individual occupying a Senior Executive Service position, as defined in section 3132(a) of title 5, United States Code) who is eligible to receive a security clearance that allows for access to sensitive compartmented information to serve as the representative of the Federal entity to the ISAC. (B) Security clearance requirement If an individual appointed under subparagraph (A) is not eligible to receive a security clearance described in that