; (2) by striking The purposes and inserting (a) purposes .—The purposes ; (3) in paragraph (1)— (A) by striking or use and insert use ; and (B) by inserting , or engage in an act or acts of gross negligence with respect to a chemical or biological program owned, controlled, or directed by, or subject to the jurisdiction of the government of a foreign state after nationals ; and (4) by adding at the end the following: (b) Definitions In this Act: (1) Gross negligence The term gross negligence , with respect to an act or acts of a government of a foreign state, includes the government knew, or should have known, the act or acts would result in injury or damages to another foreign state or other such foreign states. (2) Foreign state The term foreign state — (A) (i) has the meaning given that term in subsection (a) of section 1603 of title 28, United States Code; and (ii) includes an agency or instrumentality of a foreign state as that term is defined in subsection (b) of such section; and (B) includes an entity that is— (i) (I) directly or indirectly owned, controlled, or beneficially owned by, or in an official or unofficial capacity acting as an agent of or on behalf of, the government of a foreign state; or (II) received significant material support from the government of a foreign state; and (ii) engaged in providing commercial services, shipping, manufacturing, producing, or exporting. . (b) Determinations regarding use of chemical or biological weapons Section 506 of the Chemical and Biological Weapons Control and Warfare Elimination Act of 1991 ( 22 U.S.C. 5604 ) is amended— (1) in subsection (a)— (A) by redesignating paragraph (3) as paragraph (4); (B) by inserting after paragraph (2) the following: (3) Additional determination by the president (A) When determination required