; and (3) by inserting after subparagraph (C) the following: (D) knowingly engaged in any activity for which sanctions may be imposed under section 235 of the Iran Threat Reduction and Syria Human Rights Act of 2012; . (b) Investigations Section 13(r)(5)(A) of the Securities Exchange Act of 1934 is amended by striking an Executive order specified in clause (i) or (ii) of paragraph (1)(D) and inserting section 235 of the Iran Threat Reduction and Syria Human Rights Act of 2012, an Executive order specified in clause (i) or (ii) of paragraph (1)(E) . (c) Conforming amendment Section 13(r)(5) of the Securities Exchange Act of 1934 is amended, in the matter preceding subparagraph (A), by striking subparagraph (D)(iii) and inserting subparagraph (E)(iii) . (d) Effective date The amendments made by this section shall take effect with respect to reports required to be filed with the Securities and Exchange Commission after the date that is 180 days after the date of the enactment of this Act. 9. Regulations Not later than 90 days after the date of the enactment of this Act, the President shall prescribe regulations to carry out this Act and the amendments made by this Act.