1. Short title This Act may be cited as the Securing the Homeland Security Supply Chain Act of 2018 . 2. Department of Homeland Security requirements for information relating to supply chain risk (a) In general Subtitle D of title VIII of the Homeland Security Act of 2002 ( 6 U.S.C. 391 et seq.) is amended by adding at the end the following new section: 836. Requirements for information relating to supply chain risk (a) Authority Subject to subsection (b), the Secretary may— (1) carry out a covered procurement action; (2) limit, notwithstanding any other provision of law, in whole or in part, the disclosure of information, including classified information, relating to the basis for carrying out such an action; and (3) exclude, in whole or in part, a source carried out in the course of such an action applicable to a covered procurement of the Department. (b) Determination and notification Except as authorized by subsection (c) to address an urgent national security interest, the Secretary may exercise the authority provided in subsection (a) only after— (1) obtaining a joint recommendation, in unclassified or classified form, from the Chief Acquisition Officer and the Chief Information Officer of Department, including a review of any risk assessment made available by an appropriate person or entity, that there is a significant supply chain risk in a covered procurement; (2) notifying any source named in the joint recommendation described in paragraph (1) advising— (A) that a recommendation has been obtained; (B) to the extent consistent with the national security and law enforcement interests, the basis for such recommendation; (C) that, within 30 days after receipt of notice, such source may submit information and argument in opposition to such recommendation; and (D) of the procedures governing the consideration of such submission and the possible exercise of the authority provided in subsection (a)