16 U.S.C. § 470w–3
(a) Authority to withhold from disclosure The head of a Federal agency or other public official receiving grant assistance pursuant to this subchapter, after consultation with the Secretary, shall withhold from disclosure to the public, information about the location, character, or ownership of a historic resource if the Secretary and the agency determine that disclosure may—
(Pub. L. 89–665, title III, § 304, as added Pub. L. 96–515, title V, § 501, , 94 Stat. 3002; amended Pub. L. 102–575, title XL, § 4020, , 106 Stat. 4765.)
1992—Pub. L. 102–575 amended section generally. Prior to amendment, section read as follows: “The head of any Federal agency, after consultation with the Secretary, shall withhold from disclosure to the public, information relating to the location or character of historic resources whenever the head of the agency or the Secretary determines that the disclosure of such information may create a substantial risk of harm, theft, or destruction to such resources or to the area or place where such resources are located.”