; (4) whether a particular band described in paragraph (1) is used exclusively by the Federal entity or shared with another Federal entity or a non-Federal entity; and (5) any portion of the spectrum that is not being used by the Federal entity. (d) Form of report The report required under subsection (b)(2) shall be submitted in unclassified form but may include a classified annex. (e) Relation to Department of Transportation Spectrum Audit The Assistant Secretary shall coordinate with the Secretary of Transportation to ensure that the audit conducted under this section does not duplicate the audit conducted under section 27003 of the Infrastructure Investment and Jobs Act ( Public Law 117–58 ; 135 Stat. 884).