; and (4) mitigations to the risk of the hazardous materials transported, including operational mitigations and aircraft-based mitigations. (c) Safety risk assessments The Secretary shall require unmanned aircraft operators to submit a safety risk assessment (SRA) acceptable by the Administrator. (d) Conformity of hazardous materials regulations The Secretary shall make such changes as necessary to conform the hazardous materials regulations under parts 173 and 175 of title 49, Code of Federal Regulations, to this section. Such changes shall be made concurrently with the authority in subsection (a). (e) Stakeholder input on changes to the hazardous materials regulations Within 180 days of the date of enactment of this section, the Secretary shall hold a public meeting to obtain input on changes necessary to implement this section within the Hazardous Materials Regulations and to address any identified changes in risk. (f) Definitions In this section: (1) Hazardous materials The term hazardous materials has the meaning given that term in section 5102 of title 49, United States Code. (2) Unmanned aircraft system The term unmanned aircraft system has the meaning given such term in section 44801 of title 49, United States Code. 817. Stop Illicit Drones (a) Definitions In this section: (1) Covered foreign country The term covered foreign country means any of the following: (A) The People's Republic of China. (B) The Russian Federation. (C) The Islamic Republic of Iran. (D) The Democratic People's Republic of Korea. (E) The Bolivarian Republic of Venezuela. (F) The Republic of Cuba. (G) Any other country the Administrator deems necessary. (2) Covered foreign entity The term covered foreign entity means an entity that is— (A) included on the Consolidated Screening List maintained by the Under Secretary of Commerce for International Trade; (B) domiciled in a covered foreign country; (C) subject to influence or control by the government of a covered foreign country