; and (2) by inserting after paragraph (7) the following: (8) The Attorney General may deny the issuance of a permit or license to an applicant if the Attorney General determines that the applicant or a responsible person or employee possessor thereof is known (or appropriately suspected) to be or have been engaged in conduct constituting, in preparation of, in aid of, or related to terrorism, or providing material support thereof, and the Attorney General has a reasonable belief that the person may use explosives in connection with terrorism. . (o) Attorney General discretionary revocation of Federal explosives licenses and permits Section 843(d) of such title is amended— (1) by inserting (1) in the first sentence after if ; and (2) by striking the period at the end of the first sentence and inserting the following: ; or (2) the Attorney General determines that the licensee or holder (or any responsible person or employee possessor thereof) is known (or appropriately suspected) to be or have been engaged in conduct constituting, in preparation for, in aid of, or related to terrorism, or providing material support thereof, and that the Attorney General has a reasonable belief that the person may use explosives in connection with terrorism. . (p) Attorney General’s ability To withhold information in explosives license and permit denial and revocation suits Section 843(e) of such title is amended— (1) in the first sentence of paragraph (1), by inserting except that if the denial or revocation is based on a determination under subsection (b)(8) or (d)(2), then any information which the Attorney General relied on for the determination may be withheld from the petitioner if the Attorney General determines that disclosure of the information would likely compromise national security before the period