; (4) by amending subsection (c) to read as follows: (c) Notification to covered person or entity (1) Advance notice The head of a contracting activity, or other appropriate official, shall notify covered persons and entities of the following: (A) The program established under subsection (a). (B) The authorities provided by subsection (b). (C) The responsibilities of covered persons or entities to exercise due diligence to mitigate their engagement in covered activities. (2) Notice of covered procurement actions (A) In general Not later than 30 days prior to taking a covered procurement action, the head of a contracting activity shall notify the covered person or entity of the covered procurement action. The covered person or entity shall be permitted the opportunity to challenge the covered procurement action by requesting an administrative review of the action under the procedures of the Department of Defense not later than 30 days after receipt of notice of the action. (B) Limitation on disclosure of information The rationale of the commander of a combatant command that identified the covered person or entity receiving a notice under subparagraph (A) as a covered person or entity engaging in a covered activity under subsection (b)(1) shall not be disclosed to such covered person or entity, or their representatives, to the extent that such disclosure would compromise national security or pose an unacceptable threat to personnel of the United States or its partners or allies. (C) Protection of classified information Classified information relied upon to take a covered procurement action may not be disclosed to a covered person or entity, or to their representatives, unless a protective order issued by a court of competent jurisdiction established under article I or article III of the Constitution of the United States specifically addresses the conditions under which such classified information may be disclosed.