; (B) charge fees for copying unidentified anomalous phenomena records; and (C) grant waivers of such fees pursuant to the standards established by section 552(a)(4) of title 5, United States Code. (2) Amount of fees The amount of a fee charged by the head of an Executive agency pursuant to paragraph (1)(B) for the copying of an unidentified anomalous phenomena record shall be such amount as the head determines appropriate to cover the costs incurred by the Executive agency in making and providing such copy, except that in no case may the amount of the fee charged exceed the actual expenses incurred by the Executive agency in making and providing such copy. 1843. Grounds for postponement of public disclosure of unidentified anomalous phenomena records (a) Postponement determination In addition to the relevant authorities in Executive Order 13526, disclosure of unidentified anomalous phenomena records or particular information in unidentified anomalous phenomena records to the public may be postponed subject to the limitations of this subtitle if the original classification authority makes a determination that there is clear and convincing evidence that— (1) the threat to the military defense, intelligence operations, or conduct of foreign relations of the United States posed by the public disclosure of the unidentified anomalous phenomena record is of such gravity that it outweighs the public interest in disclosure, and such public disclosure would reveal— (A) an intelligence agent whose identity currently requires protection; (B) an intelligence source or method which is currently utilized, or reasonably expected to be utilized, by the Federal Government and which has not been officially disclosed, the disclosure of which would interfere with the conduct of intelligence activities