54 U.S. Code § 307103. Access to information
(a)Authority To Withhold From Disclosure.—The head of a Federal agency, or other public official receiving grant assistance pursuant to this division, after consultation with the Secretary, shall withhold from disclosure to the public information about the location, character, or ownership of a historic property if the Secretary and the agency determine that disclosure may—
risk harm to the historic property; or
When the head of a Federal agency or other public official determines that information should be withheld from the public pursuant to subsection (a), the Secretary, in consultation with the Federal agency head or official, shall determine who may have access to the information for the purpose of carrying out this division.
(c)Consultation With Council.—